SimpleFunctions

Maintain current rate · Will the Bank of Japan

Maintain current rate is priced at 94¢ on Kalshi. Current book: 89¢ bid, 93¢ ask, 4¢ spread. This outcome ranks #1 of 5 inside Will the Bank of Japan.

Price history

94¢ current

+92¢
0¢25¢50¢75¢100¢
Jun 16, 2026Jun 24, 2026

Contract brief

If the Bank of Japan takes the action of Maintain current rate at July 2026 Monetary Policy Meeting, then the market resolves to Yes.

Outcome

Maintain current rate

Rank

#1 of 5

Leader

Maintain current rate 89¢

Range

1¢-89¢

Family volume

$1K

Identifier

KXCBDECISIONJAPAN-26JUL30-HOLD

Jun 24, 2026, 12:08 PM UTC · 23m ago

Implied probability

94¢
Latest venue quote
Jun 24, 2026, 12:08 PM UTC · 23m ago

Bid

89¢

Ask

93¢

Spread

24h volume

$179

Family rank

#1 of 5

5 outcomes · Will the Bank of Japan

Closes

Jul 31, 2026

Family volume

$1K

Orderbook snapshot

89 / 93¢

Kalshi
4¢ spread
BidSize
89¢11
88¢5
87¢2
53¢97
52¢200
AskSize
93¢35
94¢50
95¢510
96¢1
98¢149

Contract terms

What resolves this market.

YES condition

If the Bank of Japan takes the action of Maintain current rate at July 2026 Monetary Policy Meeting, then the market resolves to Yes.

Venue

Kalshi

Closes

Jul 31, 2026

Identifier

KXCBDECISIONJAPAN-26JUL30-HOLD

SF Signal
SF Index
8069.46
Regime
taker

Event family

Will the Bank of Japan.

The same race as a probability stack: rank, volume, and where this contract sits against the other outcomes.

Total volume

$1K

Outcomes

5

Highest price

Maintain current rate 89¢

Current share

17%

Indicators

Yield, cliff risk, volatility, and regime.

IY (Yes)

123.3%

IY (No)

8069.5%

Adj IY

8069%

CRI

8

RV

166%

VR

1.48

Regime

taker

Score

0.625

Full indicator table

123.3%
8069.5%
Adj IY
8069%
8
RV
166%
VR
1.48
IAR
0.5/h
14.000

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Index, screen, query, and monitor.

Open index

How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.