# Kalshi Politics — Mispricing Audit (Anchor, NO-side structural) — 2026-09-08

Date: 2026-09-08
Source: https://kalshi-audits.pages.dev/2026-09-08-kalshi-politics-mispricing-audit-anchor-r3

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# Kalshi Politics — Mispricing Audit (Anchor, NO-side structural)

Report date 2026-09-08 · strategy=Anchor · audit_version=anchor · horizon 45 days · capital $2,500 · focus category Politics · universe: 120 allowlisted series from targets.json (70 Tier 1, 50 Tier 2)

## 1. Summary

**1 pick, 49 logged rejects, $159 deployed (6.4% of capital), $2,341 cash.** The Stage-0 sweep of every allowlisted series via the Kalshi public API found 672 open markets, of which 49 close or expire inside the 45-day window. Exactly one clears every mechanical cut: the Anthropic IPO “before Oct 17” bracket. Everything else in the window fails the liquidity floor (34), the deep-favorite band (9), the 7-day rule (5), or the close-after-expiration rule (2). The pick is a NO in the core 60–84¢ band with a **no-vehicle** mechanism, sized at MEDIUM conviction and cut to the depth cap.

Disclosure. The single pick is on an Anthropic market and this audit was produced by an Anthropic model. No non-public information was used or is available to the model; every fact below is from Reuters/CNBC, Anthropic's public newsroom, EDGAR, SEC policy pages, Polymarket and the Kalshi API/precedent store. The reader should weigh that before deploying.
Data note. The DB query API's trading_markets table timed out on every scan (context deadline exceeded), so the Stage-0 candidate list was built from the Kalshi public API per series ticker. The precedent store (154 rows) was read in full from the DB.

## 2. Universe and mechanical cuts

| Stage-0 step | Count |
|---|---|
| Open markets across the 120 allowlisted series | 672 |
| Close or expire within 45 days (by Oct 23) | 50 |
| Fail volume24h < 500 (live) | 37 |
| Fail YES ask ≤ 5¢ or YES bid ≥ 95¢ (deep favorites) | 12 |
| Fail expiration inside 7 days (ECB Sep 10 brackets) | 5 |
| Fail close_time > expected_expiration + 1h (Hegseth Nov 1 / Dec 1) | 2 |
| Existing pick (KXCRYPTOSTRUCTURE-26JAN-OCT) | 1 |
| **Survivors to Stage 1–2** | **1** |

Counts overlap where a market fails several cuts. No Mentions markets and no continuous-number markets appeared inside the window. Tier 1 departure/legal/enact series (Hegseth, Kash Patel, Alito, Netanyahu arrest, Powell, Gallego, PROMISE Act, Luxon) all have Oct 1 brackets, but every one is a 1–3¢ YES with zero 24h volume: deep-favorite NO territory with no edge over the market, exactly the ≥90¢ cohort the record says not to buy.

## 3. Picks

BUY NOmechanism: no-vehiclecorporate-event · Tier 2conviction: MEDIUM

### KXIPOANTHROPIC-DATE-26OCT17 — Will Anthropic confirm an IPO before Oct 17, 2026?

**YES condition.** For YES to pay, the SEC must declare Anthropic's Form S-1 effective, _or_ the offering must be priced, _or_ a securities exchange must assign Anthropic a ticker, before Oct 17 2026 03:59Z, resolved by Kalshi from the SEC/company/exchange notice (rules_secondary, verbatim: “An IPO is confirmed if 1) the SEC declares the company's Form S-1 effective OR 2) the IPO is priced OR 3) a securities exchange has assigned a ticker to it.”). This is a process reaching a defined step by a deadline: Anchor-shaped.

**Thesis.** No vehicle: the only filing that exists is the confidential draft S-1 Anthropic announced on Jun 1, 2026 (“The number of shares to be offered and the price have not yet been set”). EDGAR shows no public S-1 as of Sep 8. Reuters via CNBC (Sep 5) reports the public prospectus has slipped to late September and marketing to “mid-October at the earliest”, with the listing to be completed “days before” the Nov 3 midterms. SEC Division of Corporation Finance policy requires the public S-1 to be on EDGAR at least 15 days before any roadshow, and the SpaceX template ran roadshow launch (Jun 4) to pricing (Jun 11) in 7 days. A mid-October roadshow therefore prices on or after ~Oct 20. For YES, Anthropic would have to file publicly by ~Sep 22 and start a compressed roadshow by ~Oct 8, the opposite of the direction every timing report has moved since June.

**Probability.** Prob: 20% pre-market → 22% final (16 pts world + 4 pts resolver risk, nudged 2 pts toward a book that is thin and four days old). Cross-check: Polymarket's much deeper market prices “shares trading by Oct 15” at 8% and “by Oct 31” at 59%; Kalshi's own Oct 1 bracket collapsed from 50¢ to 4¢ on the Reuters report (OddsShopper, Sep 5).

**Cleanest tail.** Anthropic reverses the slippage: public S-1 by ~Sep 22, roadshow from ~Oct 8, pricing Oct 15–16. That is a new discrete decision against the schedule Reuters' sources describe, not the current trend (which is later, not earlier). Second tail: Kalshi treats a Nasdaq/NYSE listing-approval notice a few days before pricing as “ticker assigned”. Priced at 4 pts; the SpaceX precedent (public S-1 naming SPCX on May 20, market settled only after the Jun 11 pricing) argues Kalshi does not fire early.

**Precedents consulted.** KXIPOANTHROPIC-DATE-26JUL01 (NO; “a confidential draft S-1 … leaves all three Kalshi triggers unmet, so treat 'filed' and 'confirmed' as separated by months of process”), KXIPOANTHROPIC-DATE-26JUN01 (NO; “defined mechanically, not journalistically”), KXIPO-26-SPACEX (YES on Jun 11 effectiveness/pricing; four-day settlement lag; public S-1 naming the symbol did not resolve it).

Side / limit NO @ 71¢ (NO ask at signal 69¢; 2¢ slippage allowance)Model P(YES) 22% → P(NO) 78%; edge +7¢ at 71
EV for the record +9.9% on costContracts 224 (depth cap: 674 visible at ≤71¢ NO ÷ 3)
Cost / max win $159.04 / $64.96Entry context YES 31 bid / 33 ask · vol24h 643 · OI 2,157
Close 2026-10-17 03:59Z (38 days)Cluster anthropic-ipo-timing

Price history (hourly candles since the Sep 4 open): opened 77¢ YES on 100 contracts, 48¢ by Sep 5, 35¢ on a 1,000-lot after the Reuters report, 28–30¢ through Sep 6–7, 33¢ today on ~550 contracts. The 5¢ move today has no matching news (Sep 8 coverage restates Reuters), and the Oct 24 sibling moved 54→57 in step, so it reads as flow into a new bracket rather than information. Volume24h is just above the 500 floor: the book is not specialist-dense, and the limit is set 2¢ through the touch to get filled.

## 4. Rejected (logged for the passed-on scoreboard)

Every market in the 45-day window that did not become a pick, with the side Anchor would have taken (NO by default), the NO price at signal, the probability where one was formed, and the rule that removed it.

| Ticker | Archetype | Side | Price | P(YES) | Close | Reject reason |
|---|---|---|---|---|---|---|
| KXAGICO-COMP-26Q3 | multi-news-other | NO | 97¢ |  | 2026-10-01 | below liquidity floor (volume24h 9 < 500) |
| KXALITOANNOUNCERETIRE-26JUN-OCT01 | departure/ouster | NO | 99¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 99¢; YES ask 2¢ ≤ 5¢) |
| KXARRESTNETANYAHU-28JAN01-26OCT01 | legal-action | NO | 100¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONEU-26SEP10-C25 | multi-news-other | NO | 100¢ |  | 2026-09-10 | inside 7d; below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONEU-26SEP10-C25P | multi-news-other | NO | 100¢ |  | 2026-09-10 | inside 7d; below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONEU-26SEP10-H25 | multi-news-other | NO | 1¢ |  | 2026-09-10 | inside 7d; below liquidity floor (volume24h 159 < 500); deep-favorite band (YES bid 99¢ ≥ 95¢) |
| KXCBDECISIONEU-26SEP10-H25P | multi-news-other | NO | 100¢ |  | 2026-09-10 | inside 7d; deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONEU-26SEP10-HOLD | multi-news-other | NO | 100¢ |  | 2026-09-10 | inside 7d; deep-favorite band (NO would cost 100¢; YES ask 2¢ ≤ 5¢) |
| KXCBDECISIONJAPAN-26SEP17-C25 | scheduled-process | NO | 100¢ |  | 2026-09-18 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONJAPAN-26SEP17-C25P | scheduled-process | NO | 100¢ |  | 2026-09-18 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONJAPAN-26SEP17-H25 | scheduled-process | NO | 3¢ |  | 2026-09-18 | deep-favorite band (YES bid 97¢ ≥ 95¢) |
| KXCBDECISIONJAPAN-26SEP17-H25P | scheduled-process | NO | 100¢ |  | 2026-09-18 | deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXCBDECISIONJAPAN-26SEP17-HOLD | scheduled-process | NO | 100¢ |  | 2026-09-18 | deep-favorite band (NO would cost 100¢; YES ask 2¢ ≤ 5¢) |
| KXCRYPTOSTRUCTURE-26JAN-OCT | confirmation/enact | NO |  |  | 2026-10-01 | already an active pick |
| KXEBOLACOUNTRY-OCT26-ANG | multi-news-other | NO | 97¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 7¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-BUR | multi-news-other | NO | 95¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-CANA | multi-news-other | NO | 94¢ |  | 2026-10-01 | below liquidity floor (volume24h 50 < 500) |
| KXEBOLACOUNTRY-OCT26-CAR | multi-news-other | NO | 95¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-CHI | multi-news-other | NO | 98¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500) |
| KXEBOLACOUNTRY-OCT26-ETHI | multi-news-other | NO | 95¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 7¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-IND | multi-news-other | NO | 90¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 6¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-KEN | multi-news-other | NO | 94¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-NIGE | multi-news-other | NO | 95¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 7¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-RCON | multi-news-other | NO | 93¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500) |
| KXEBOLACOUNTRY-OCT26-RWA | multi-news-other | NO | 92¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-SOM | multi-news-other | NO | 98¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-SUD | multi-news-other | NO | 95¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 7¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-TANZ | multi-news-other | NO | 92¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXEBOLACOUNTRY-OCT26-USA | multi-news-other | NO | 96¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500) |
| KXEBOLACOUNTRY-OCT26-ZAMB | multi-news-other | NO | 96¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); spread 8¢ > 5¢ |
| KXGALLEGOOUT-26OCT01 | departure/ouster | NO | 99¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 99¢; YES ask 2¢ ≤ 5¢) |
| KXHEGSETHOUT-26AUG-26DEC01 | multi-news-other | NO | 81¢ |  | 2026-12-01 | close after expiration (close_time > expected_expiration_time + 1h) |
| KXHEGSETHOUT-26AUG-26NOV01 | multi-news-other | NO | 88¢ |  | 2026-11-01 | close after expiration (close_time > expected_expiration_time + 1h) |
| KXHEGSETHOUT-26AUG-26OCT01 | multi-news-other | NO | 98¢ |  | 2026-10-01 | deep-favorite band (NO would cost 98¢; YES ask 3¢ ≤ 5¢) |
| KXHOUSEADJOURN-26-26OCT02 | departure/ouster | NO | 2¢ |  | 2026-10-02 | below liquidity floor (volume24h 0 < 500); deep-favorite band (YES bid 98¢ ≥ 95¢) |
| KXHOUSEADJOURN-26-26SEP18 | departure/ouster | NO | 9¢ |  | 2026-09-18 | below liquidity floor (volume24h 100 < 500) |
| KXHOUSEADJOURN-26-26SEP26 | departure/ouster | NO | 8¢ |  | 2026-09-26 | below liquidity floor (volume24h 0 < 500); spread 6¢ > 5¢ |
| KXIPOANDURIL-26OCT01 | corporate-event | NO | 99¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 99¢; YES ask 3¢ ≤ 5¢) |
| KXIPOANTHROPIC-DATE-26OCT01 | corporate-event | NO | 98¢ |  | 2026-10-01 | deep-favorite band (NO would cost 98¢; YES ask 4¢ ≤ 5¢) |
| KXIPOANTHROPIC-DATE-26OCT10 | corporate-event | NO | 94¢ |  | 2026-10-10 | below liquidity floor (volume24h 77 < 500) |
| KXIPOOPENAI-26OCT01 | corporate-event | NO | 100¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 2¢ ≤ 5¢) |
| KXIPOSTARLINK-26OCT01 | corporate-event | NO | 100¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |
| KXKASHOUT-26JUL-26OCT01 | departure/ouster | NO | 99¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 99¢; YES ask 3¢ ≤ 5¢) |
| KXLEAVEMILLS-26NOV03-26OCT01 | departure/ouster | NO | 98¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500) |
| KXLEAVEPOWELLGOV-26OCT01 | departure/ouster | NO | 99¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 99¢; YES ask 2¢ ≤ 5¢) |
| KXLOCALLAW-CAAANG-26OCT01 | confirmation/enact | NO | 98¢ |  | 2026-10-01 | deep-favorite band (NO would cost 98¢; YES ask 3¢ ≤ 5¢) |
| KXLOCALLAW-CAJEWISH-26OCT01 | confirmation/enact | NO | 99¢ |  | 2026-10-01 | deep-favorite band (NO would cost 99¢; YES ask 4¢ ≤ 5¢) |
| KXLUXONOUT-26AUG-26OCT01 | departure/ouster | NO | 100¢ |  | 2026-10-01 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 3¢ ≤ 5¢) |
| KXPROMISEACT-26AUG-26OCT03 | confirmation/enact | NO | 100¢ |  | 2026-10-03 | below liquidity floor (volume24h 0 < 500); deep-favorite band (NO would cost 100¢; YES ask 1¢ ≤ 5¢) |

## 5. Portfolio tables

### Position sizes and limits

| Ticker | Side | Limit | Contracts | Cost (max loss) | Max win | % of capital | Conviction |
|---|---|---|---|---|---|---|---|
| KXIPOANTHROPIC-DATE-26OCT17 | NO | 71¢ | 224 | $159.04 | $64.96 | 6.4% | MEDIUM (10% cap → depth-capped) |
| Cash reserve |  |  |  | $2,340.96 |  | 93.6% |  |

### EV for the record

| Ticker | P(NO) model | Entry | Edge | EV/contract | EV $ |
|---|---|---|---|---|---|
| KXIPOANTHROPIC-DATE-26OCT17 | 78% | 71¢ | +7¢ | +7.0¢ | +$15.68 |

### Clusters

| Cluster | Deployed leg | Runners-up logged |
|---|---|---|
| anthropic-ipo-timing | KXIPOANTHROPIC-DATE-26OCT17 NO | KXIPOANTHROPIC-DATE-26OCT24 (NO at 45¢, below band), -26OCT01 (deep favorite), -26OCT10 (below liquidity floor) |

### Risk profile

| Scenario | P&L |
|---|---|
| Pick resolves NO (model 78%) | +$64.96 |
| Pick resolves YES (model 22%) | −$159.04 |
| Worst case as % of capital | −6.4% |

## 6. Execution notes

- Rest a NO limit at 71¢ (equivalently, sell YES at 29¢ is not available; buy NO). Visible NO offers at signal: 57 @ 69, 250 @ 70, 367 @ 71, then 7,656 @ 72. Do not chase past 72; the edge at 72 is 6¢ and at 74 the position falls below the record's +8-pt band.
- Kill switch: any primary-source report that the public S-1 is on EDGAR before Sep 23, or that the roadshow launches before Oct 9, means the tail is live; reassess rather than add.
- Watch for a Kalshi rules clarification on “ticker assigned” when the public S-1 names a symbol in late September. Historic handling (SpaceX) says no early resolution, but a dated clarification outranks that inference.
- Settlement lag: KXIPO-26-SPACEX took four days to settle after triggers were met. A NO here settles at expiration (Oct 17) unless YES triggers early.

## 7. Method notes for this run

Probability was committed (20%) after rules, precedents and news, and before opening candlesticks or the orderbook. The four Anchor hard rules: side rule satisfied (NO); not a continuous-number thesis (a process step by a deadline); continuation tail passes (the tail requires acceleration, a reversal of the reported slippage); no rules-reading edge (the rules reading is used only to define the bar, not as the edge). Resolver-risk deduction 4 pts, under the ~15-pt reject line. Entry 71¢ NO is inside the 60–84¢ core band, so full (not half) size applies, then the depth cap binds.

Sources: Anthropic newsroom Jun 1 2026 release on the confidential draft S-1; CNBC/Reuters Sep 5 2026 “Anthropic IPO launch shifts toward mid-October”; OddsShopper Sep 5 2026 bracket pricing; SEC Division of Corporation Finance draft-registration-statement processing procedures (15-day rule); SEC EDGAR full-text search (no Anthropic S-1); SpaceX S-1 (EDGAR, May 20 2026) and Capital.com/CNBC coverage; Polymarket “Anthropic IPO by” brackets (Sep 8 snapshot); Kalshi public API markets, orderbook and candlesticks; resolution_precedents rows for KXIPOANTHROPIC, KXIPO, KXHEGSETHOUT.