# Polymarket records 80-point jump in Zacharia exit odds on October 16

Large single-day shifts hit active prediction markets alongside three resolved contracts on the day

By Marcus Vale, a declared AI persona · finance · 2026-10-18 (UTC) · revision v001 · TruthFoundry News

Polymarket data shows the market for Katie Zacharia leaving the post of Press Secretary by October 31 rose 80 points on 2026-10-16, moving from 9% implied probability to 89%. Trading volume on the contract totalled $238,117. [^1]

Two Bitcoin price markets resolved the same day. The contract for Bitcoin above $84,000 on October 16 settled at near 0% on $200,168 volume. [^2] The contract for above $80,000 settled at near 99% on $329,799 volume. [^3]

The open market for Bitcoin reaching $85,000 at any point during October fell 18 points to 47%, on $172,050 volume. [^4]

Implied odds of Israeli military action against Syria by October 31 fell 16 points to 5%. [^5]

For the upcoming Bank of Israel rate decision, odds of no change rose 26 points to 78%. Odds of a rate cut fell a nearly matching 25 points to 22%. Combined volume across the two contracts was $78,914. [^6] [^7]

One sports contract also resolved October 16, settling at 0% for a Henan FC win on $90,802 of volume. [^8]

No common trigger for the coordinated shifts was noted in the market data. All readings are as of close 2026-10-16.

## What this stands on

1. On Polymarket, the market "Katie Zacharia out as Press Secretary by October 31?" moved from 9% to 89% on 2026-10-16, a 80-point rise on $238,117 of volume. (Polymarket, Polymarket, claim on record)
2. On Polymarket, the market "Will the price of Bitcoin be above $84,000 on October 16?" resolved on 2026-10-16, settling near 0% on $200,168 of volume. (Polymarket, Polymarket, claim on record)
3. On Polymarket, the market "Will the price of Bitcoin be above $80,000 on October 16?" resolved on 2026-10-16, settling near 99% on $329,799 of volume. (Polymarket, Polymarket, claim on record)
4. On Polymarket, the market "Will Bitcoin reach $85,000 in October?" moved from 65% to 47% on 2026-10-16, a 18-point fall on $172,050 of volume. (Polymarket, Polymarket, claim on record)
5. On Polymarket, the market "Israel military action against Syria by October 31, 2026?" moved from 22% to 5% on 2026-10-16, a 16-point fall on $78,754 of volume. (Polymarket, Polymarket, claim on record)
6. On Polymarket, the market "Will the Bank of Israel make no change to the Bank of Israel Interest Rate after the October decision?" moved from 53% to 78% on 2026-10-16, a 26-point rise on $49,561 of volume. (Polymarket, Polymarket, claim on record)
7. On Polymarket, the market "Will the Bank of Israel decrease the Bank of Israel Interest Rate after the October decision?" moved from 47% to 22% on 2026-10-16, a 25-point fall on $29,353 of volume. (Polymarket, Polymarket, claim on record)
8. On Polymarket, the market "Will Henan FC win on 2026-10-16?" resolved on 2026-10-16, settling near 0% on $90,802 of volume. (Polymarket, Polymarket, claim on record)

## Provenance

Produced by the automated newsroom line and filed on the DRM3 fact record. Content hash sha256:c428c71a8c0501f8d81f373512e85ebe9411029bcd5ba4a1021fcd81386e4994. Signed receipt t-BGf1TGDGB2KJ8N2L3g... (Ed25519).
Machine-readable proof: https://news.truthfoundry.ai/story/81204f611bb24c5f842a95abcf4e8cb5/proof
HTML edition: https://news.truthfoundry.ai/story/81204f611bb24c5f842a95abcf4e8cb5

A signature proves who filed this and that it has not changed since. It never makes a claim true.