TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
S&P 500 (SPY) closes above ___ on April 20?
polymarket
kalshi

S&P 500 (SPY) closes above ___ on April 20?

Volume:
$228,482

7,100 or above

 - Kalshi

7,100 or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Apr 21, 2026

Closed: Apr 20, 7:00 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

7,100 or above

View
100%
Yes 100¢No 0¢
—
N/A
$63,364
N/A
N/A
$23,395
Settled
Yes
kalshi

7,075 or above

View
100%
Yes 100¢No 0¢
—
N/A
$33,101
N/A
N/A
$13,547
Settled
Yes
kalshi

7,050 or above

View
100%
Yes 100¢No 0¢
—
N/A
$9,888
N/A
N/A
$6,462
Settled
Yes
polymarket

S&P 500 (SPY) closes above $705 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$5,996
N/A
N/A
N/A
Settled
Yes
kalshi

7,000 or above

View
100%
Yes 100¢No 0¢
—
N/A
$5,614
N/A
N/A
$4,614
Settled
Yes
kalshi

6,925 or above

View
100%
Yes 100¢No 0¢
—
N/A
$3,402
N/A
N/A
$3,358
Settled
Yes
kalshi

7,025 or above

View
100%
Yes 100¢No 0¢
—
N/A
$2,956
N/A
N/A
$2,370
Settled
Yes
kalshi

6,750 or above

View
100%
Yes 100¢No 0¢
—
N/A
$1,644
N/A
N/A
$1,624
Settled
Yes
kalshi

6,850 or above

View
100%
Yes 100¢No 0¢
—
N/A
$1,386
N/A
N/A
$1,355
Settled
Yes
polymarket

S&P 500 (SPY) closes above $695 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$1,345
N/A
N/A
N/A
Settled
Yes
kalshi

6,950 or above

View
100%
Yes 100¢No 0¢
—
N/A
$1,253
N/A
N/A
$1,214
Settled
Yes
polymarket

S&P 500 (SPY) closes above $700 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$982
N/A
N/A
N/A
Settled
Yes
polymarket

S&P 500 (SPY) closes above $680 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$846
N/A
N/A
N/A
Settled
Yes
polymarket

S&P 500 (SPY) closes above $690 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$543
N/A
N/A
N/A
Settled
Yes
polymarket

S&P 500 (SPY) closes above $685 on April 20?

View
100%
Yes 100¢No 0¢
—
N/A
$514
N/A
N/A
N/A
Settled
Yes
kalshi

6,975 or above

View
100%
Yes 100¢No 0¢
—
N/A
$459
N/A
N/A
$458
Settled
Yes
kalshi

6,900 or above

View
100%
Yes 100¢No 0¢
—
N/A
$392
N/A
N/A
$382
Settled
Yes
kalshi

6,875 or above

View
100%
Yes 100¢No 0¢
—
N/A
$334
N/A
N/A
$324
Settled
Yes
kalshi

6,825 or above

View
100%
Yes 100¢No 0¢
—
N/A
$281
N/A
N/A
$281
Settled
Yes
kalshi

6,800 or above

View
100%
Yes 100¢No 0¢
—
N/A
$197
N/A
N/A
$163
Settled
Yes
kalshi

6,725 or above

View
100%
Yes 100¢No 0¢
—
N/A
$166
N/A
N/A
$121
Settled
Yes
kalshi

6,775 or above

View
100%
Yes 100¢No 0¢
—
N/A
$111
N/A
N/A
$111
Settled
Yes
kalshi

6,700 or above

View
100%
Yes 100¢No 0¢
—
N/A
$76
N/A
N/A
$56
Settled
Yes
kalshi

6,675 or above

View
100%
Yes 100¢No 0¢
—
N/A
$51
N/A
N/A
$41
Settled
Yes
kalshi

6,450 or above

View
100%
Yes 100¢No 0¢
—
N/A
$21
N/A
N/A
$21
Settled
Yes
Total markets: 25 of 71

Description

S&P 500 (SPY) closes above ___ on April 20?

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All Polymarket questions in this group use identical resolution logic based on Pyth Close price data for SPY on April 20, 2026, with consistent handling of data failures and corporate actions. Kalshi has no conflicting rules published.Primary resolution logic: Pyth Network Close price for SPY/USD 1-minute candle at end of regular trading hours on April 20, 2026, or fallback to primary exchange official closing price if Pyth data unavailable.

Core resolution logic:

  • Market resolves YES if SPY Close price on April 20, 2026 is strictly greater than the specified threshold price.
  • Market resolves NO if SPY Close price is equal to or less than the specified threshold price.
  • If exact equality occurs, the market resolves NO.
  • All 13 markets in this group are independent binary events; multiple markets may resolve YES if SPY closes above multiple thresholds.
  • Closing price is determined by Pyth Close value of the final 1-minute candle of regular trading hours; if unavailable, the last valid Pyth price during regular hours is used; if no Pyth data exists, official exchange closing price is used.
  • In the event of stock splits or reverse splits, the threshold price is adjusted proportionally and resolution uses split-adjusted prices from Pyth.

Edge cases & clarifications:

  • No Trading Activity: If SPY does not trade at all during the regular session on April 20, 2026, the market resolves 50-50.
  • Data Source Hierarchy: Pyth Close is primary; if unavailable, last valid Pyth price during regular hours is used; if no Pyth data exists due to outage or system failure, official primary exchange closing price is used as fallback.
  • Corporate Actions: If a stock split, reverse split, or similar corporate action occurs between market creation and April 20, 2026, the threshold price is adjusted proportionally and resolution uses split-adjusted historical prices from Pyth.
Timing: Resolution occurs at the end of regular trading hours on April 20, 2026, based on the Close price published by Pyth for that date.Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.