The Prediction Markets

Fed Decision in March?

Closes
Mar 18, 2027, in 4 months
Traded
$138K
Venues
Polymarket, Kalshi
Prices updated
4 h ago
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What the markets expect

Fed maintains rate 46.9%

Next is Hike 25bps at 45.2%. The venues differ most on Fed maintains rate (Polymarket 47.5%, Kalshi 50%), a 2.5-point gap.

Cut >25bps 1%Cut 25bps 4.5%Fed maintains rate 46.9%Hike 25bps 45.2%Hike >25bps 2.4%

Ordered from largest cut to largest hike.

Odds by venue

Fair chance strips out each venue’s built-in margin (its prices add up to more than 100%), then blends the venues by how much has traded there, so the outcomes add up to 100%. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.

Prices come from our regular polls of each venue, the oldest 4 h ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Cut >25bps
1%
Polymarket 1.2%polled, 4 h agoKalshi 1%polled, 4 h agoBest Yes 1.4¢ on Polymarket, $100 pays $7,143 (71.4x)
Polymarket
Contract
50+ bps decrease
Last price
1.2%
As of
Polled 4 h ago
Buy Yes
1.4¢
Sell Yes
1¢
$100 on Yes pays
$7,143 (71.4x)
Volume
$5K
Trade this on Polymarket
Kalshi
Contract
Cut >25bps
Last price
1%
As of
Polled 4 h ago
Buy Yes
2¢
Sell Yes
1¢
$100 on Yes pays
$5,000 (50.0x)
Volume
$7K
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Prices on these venues are 4 h old, too old to show an executable spread.

Cut 25bps
4.5%
Polymarket 4.2%polled, 4 h agoKalshi 5%polled, 4 h agoBest Yes 4.4¢ on Polymarket, $100 pays $2,273 (22.7x)
Polymarket
Contract
25 bps decrease
Last price
4.2%
As of
Polled 4 h ago
Buy Yes
4.4¢
Sell Yes
4¢
$100 on Yes pays
$2,273 (22.7x)
Volume
$4K
Trade this on Polymarket
Kalshi
Contract
Cut 25bps
Last price
5%
As of
Polled 4 h ago
Buy Yes
9¢
Sell Yes
4¢
$100 on Yes pays
$1,111 (11.1x)
Volume
$9K
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Prices on these venues are 4 h old, too old to show an executable spread.

Fed maintains rate
46.9%
Polymarket 47.5%(46.6% fair)polled, 4 h agoKalshi 50%(47.6% fair)polled, 4 h agoBest Yes 48¢ on Polymarket, $100 pays $208 (2.08x)
Polymarket
Contract
No change
Last price
47.5%
Fair, margin removed
46.6%
As of
Polled 4 h ago
Buy Yes
48¢
Sell Yes
47¢
$100 on Yes pays
$208 (2.08x)
Volume
$21K
Trade this on Polymarket
Kalshi
Contract
Fed maintains rate
Last price
50%
Fair, margin removed
47.6%
As of
Polled 4 h ago
Buy Yes
51¢
Sell Yes
47¢
$100 on Yes pays
$196 (1.96x)
Volume
$21K
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Prices on these venues are 4 h old, too old to show an executable spread.

Hike 25bps
45.2%
Polymarket 47.5%(46.6% fair)polled, 4 h agoKalshi 46%(43.8% fair)polled, 4 h agoBest Yes 48¢ on Polymarket, $100 pays $208 (2.08x)
Polymarket
Contract
25 bps increase
Last price
47.5%
Fair, margin removed
46.6%
As of
Polled 4 h ago
Buy Yes
48¢
Sell Yes
47¢
$100 on Yes pays
$208 (2.08x)
Volume
$31K
Trade this on Polymarket
Kalshi
Contract
Hike 25bps
Last price
46%
Fair, margin removed
43.8%
As of
Polled 4 h ago
Buy Yes
51¢
Sell Yes
46¢
$100 on Yes pays
$196 (1.96x)
Volume
$26K
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Prices on these venues are 4 h old, too old to show an executable spread.

Hike >25bps
2.4%
Polymarket 1.6%polled, 4 h agoKalshi 3%polled, 4 h agoBest Yes 1.9¢ on Polymarket, $100 pays $5,263 (52.6x)
Polymarket
Contract
50+ bps increase
Last price
1.6%
As of
Polled 4 h ago
Buy Yes
1.9¢
Sell Yes
1.3¢
$100 on Yes pays
$5,263 (52.6x)
Volume
$5K
Trade this on Polymarket
Kalshi
Contract
Hike >25bps
Last price
3%
As of
Polled 4 h ago
Buy Yes
3¢
Sell Yes
1¢
$100 on Yes pays
$3,333 (33.3x)
Volume
$8K
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Prices on these venues are 4 h old, too old to show an executable spread.

Venue prices are 4 h old, so we are not showing a cross-venue spread. Check each venue for current prices. Find markets with fresh spreads

Mostly the same bet: 4 differences

Where they differ

  • Buckets assume 25 bp steps: Kalshi 'Cut >25bps' / 'Hike >25bps' and Polymarket '50+ bps' differ for a move strictly between 25 and 50 bps; Kalshi 'Cut 1-25bps' also covers moves under 25 bps.
  • Polymarket names the reference rate per bank (Fed: upper bound of the target range; ECB: deposit facility rate; BoJ: uncollateralized overnight call rate); Kalshi settles on the announced action.
  • Both settle on the scheduled meeting in the named month; an unscheduled move between meetings counts for neither.
  • Trading closes at different times: Mar 18, 2027, 3:59 AM UTC on Polymarket and Mar 17, 2027, 5:59 PM UTC on Kalshi.
Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: federalreserve.gov
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: Federal Reserve
Show full rule comparison
  • Buckets assume 25 bp steps: Kalshi 'Cut >25bps' / 'Hike >25bps' and Polymarket '50+ bps' differ for a move strictly between 25 and 50 bps; Kalshi 'Cut 1-25bps' also covers moves under 25 bps.
  • Polymarket names the reference rate per bank (Fed: upper bound of the target range; ECB: deposit facility rate; BoJ: uncollateralized overnight call rate); Kalshi settles on the announced action.
  • Both settle on the scheduled meeting in the named month; an unscheduled move between meetings counts for neither.
  • Trading closes Mar 18, 2027, 3:59 AM UTC on Polymarket and Mar 17, 2027, 5:59 PM UTC on Kalshi.

Summarized from each venue’s published rules; the venue’s own rules page is the final word.

How the odds have moved

The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.

  • Fed maintains rate
  • Hike 25bps
  • Cut 25bps

Live prices for Fed maintains rate

What it costs to buy Yes, what you would get selling it, and the last trade on each exchange, updating as orders change. Hover a status for timing details.

Order books

Each venue’s resting orders for the selected outcome’s Yes contract, side by side. Top of book streams live; depth refreshes every 15 seconds.

Combined depth · both venues

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Polymarket

Open on Polymarket ↗

Top of book

Connecting
Best bid
—
Spread
—
Best ask
—

Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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Kalshi

Open on Kalshi ↗

Top of book

Connecting
Best bid
—
Spread
—
Best ask
—

Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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What your stake buys

Enter a stake to see where it buys the most after fees, using each venue’s live order book.

$
Buy

Loading both order books…

Buys at the asks resting now (taker orders), cheapest after fees first, from order-book snapshots up to 15 seconds old. Fees: Kalshi 0.07 × price × (1 − price) per share, rounded up to the cent; Polymarket 0.05 × price × (1 − price) per share (economics rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "Fed Decision in March?". Fed maintains rate leads at 46.9%. Next is Hike 25bps at 45.2%. $138K has traded across 5 outcomes on Kalshi and Polymarket. The market is expected to resolve by Mar 18, 2027.

The FED interest rates are defined in this market by the upper bound of the target federal funds range. The decisions on the target federal funds range are made by the Federal Open Market Committee (FOMC) meetings. This market will resolve to the amount of basis points the upper bound of the target federal funds rate is changed by versus the level it was prior to the Federal Reserve's March 2027 meeting. If the target federal funds rate is changed to a level not expressed in the displayed options, the change will be rounded up to the nearest 25 and will resolve to the relevant bracket. (e.g. if there's a cut/increase of 12.5 bps it will be considered to be 25 bps) The resolution source for this market is the FOMC’s statement after its meeting scheduled for March 16-17, 2027 according to the official calendar: https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm. The level and change of the target federal funds rate is also published at the official website of the Federal Reserve at https://www.federalreserve.gov/monetarypolicy/openmarket.htm. This market may resolve as soon as the FOMC’s statement for their March meeting with relevant data is issued. If no statement is released by the end date of the next scheduled meeting, this market will resolve to the "No change" bracket.

Questions

What does the consensus price mean?

It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.

How is the payout worked out?

A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.

Why do the venues show different prices?

Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.

Is a price gap an arbitrage?

Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.

How fresh are these prices?

Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.

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