SPY (SPY) Up or DownPolymarket historical data and price history
SPY (SPY) Up or Down: a Polymarket equities series with markets recurring daily. Marketlens has captured 147 markets since March 25, 2026, of which 148 resolved, with $9.3M in traded volume. No new markets were collected from July 26, 2026 to August 2, 2026, so windows inside that gap return nothing. Every market's order book is stored in full: periodic L2 snapshots plus every individual price change with a millisecond timestamp, alongside trades, candles, and the final resolution outcome.
For the equities archive as a whole, see Polymarket price history.
Data as of 2026-11-02 · Polymarket series SPY Daily Up or Down · slug spy-daily-up-or-down
No new markets were collected from July 26, 2026 to August 2, 2026, so windows inside that gap return nothing.
Resolution outcomes
Outcomes across 148 resolved markets with a recorded winning outcome. Settlement in the archive is by winning outcome, not by final traded price.
Markets in this series
The most recently resolved of 149 markets.
Backtest this series
from datetime import datetime, timedelta, timezone
from marketlens import MarketLens, Strategy
class MyStrategy(Strategy):
def on_market_start(self, ctx, market, book):
ctx.buy_yes(size=10)
client = MarketLens()
end = datetime.now(timezone.utc) - timedelta(days=1)
result = client.backtest(
MyStrategy(), "spy-daily-up-or-down",
after=end - timedelta(hours=1), before=end, initial_cash=1_000,
)
result.show() # inspect the run in the dashboardAvailable datasets
Common questions
How many SPY (SPY) Up or Down markets are in the archive?
147 markets from March 25, 2026 through now, of which 148 have resolved and 1 are active. No new markets were collected from July 26, 2026 to August 2, 2026, so windows inside that gap return nothing.
What data exists for each SPY (SPY) Up or Down market?
Full L2 order book history (snapshots plus every price change at millisecond resolution), individual trades, OHLC candles, and the resolution outcome. All of it is queryable by the series slug "spy-daily-up-or-down" through the API and Python SDK, or downloadable as Parquet.
How often do SPY (SPY) Up or Down markets resolve Up?
Of 148 resolved markets with a recorded outcome, 77 resolved Up (52.0%) and 71 resolved Down.
How much does a typical SPY (SPY) Up or Down market trade?
Average traded volume is $64.5K per market, $9.3M across the series.
Can I backtest strategies on SPY (SPY) Up or Down?
Yes. Pass the slug "spy-daily-up-or-down" to client.backtest() in the Python SDK. Execution mode replays every market's order book tick by tick and fills simulated orders against real historical depth with queue priority, latency, and fee modelling; Alpha mode replays one bar per market for slower signals over long windows.
Related series: What will S&P 500 (SPY) hit (Weekly), What will NVIDIA (NVDA) hit, What will Meta Platforms, Inc. (META) hit (Monthly), What will Coinbase Global, Inc. (COIN) hit, What will Tesla, Inc. (TSLA) hit, What will South Korea ETF (EWY) hit (Weekly), or all equities series.
Try it
Replay SPY (SPY) Up or Down tick by tick
The free tier includes 2M data rows and every market open in the last 7 days, no card required.
$ pip install marketlens