When will the Bitcoin halving occur Odds
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| March 31, 2028 | 44% | +127 | ▼ 16 |
| June 30, 2028 | 96% | -2497 | — |
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Price history
On Kalshi
A similar market trades on Kalshi. Check the resolution rules before comparing prices: small wording differences change what pays out.
Resolution rules
This market will resolve to “Yes” if the next Bitcoin halving occurs by the date specified in the title, 11:59 PM ET. Otherwise, this market will resolve to “No”. The next Bitcoin halving refers to the mining of Bitcoin block 1,050,000, the block at which the Bitcoin network’s block subsidy is next scheduled to be reduced by half. The resolution source is mempool.space (https://mempool.space), specifically the “Timestamp” value displayed on the page for block 1,050,000 once it has been mined, converted to Eastern Time. For an example of where the “Timestamp” value is displayed on a block’s page, see this earlier block: https://mempool.space/block/00000000000000000001e019fb455cb292d5ba5b41ebfad92ab4e0f378e83d25. This market is based solely on the “Timestamp” value displayed on mempool.space for block 1,050,000, not on network propagation or observation times, data from third-party explorers, or unofficial sources. If the resolution source becomes permanently unavailable within this market’s timeframe and before resolution criteria are met, the market will resolve based on a reliable alternative source, such as another Bitcoin block explorer, or public data consistent with the Bitcoin blockchain.
Source: Polymarket. The venue's rules are final.
FAQ
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Polymarket lists Jul 1, 2028 as the end date. It can close earlier if the outcome is decided.
Where can I trade on When will the Bitcoin halving occur?
This market trades on Polymarket and a matching market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.