FTSE 100 (UKX) Up or DownPolymarket historical data and price history
FTSE 100 (UKX) Up or Down: a Polymarket indices series with markets recurring daily. Marketlens has captured 163 markets since March 2, 2026, of which 164 resolved, with $108.2K in traded volume. No new markets were collected from July 27, 2026 to August 3, 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 indices archive as a whole, see Polymarket price history.
Data as of 2026-11-02 · Polymarket series FTSE 100 Daily Up or Down · slug ftse-100-daily-up-or-down
No new markets were collected from July 27, 2026 to August 3, 2026, so windows inside that gap return nothing.
Resolution outcomes
Outcomes across 161 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 165 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(), "ftse-100-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 FTSE 100 (UKX) Up or Down markets are in the archive?
163 markets from March 2, 2026 through now, of which 164 have resolved and 1 are active. No new markets were collected from July 27, 2026 to August 3, 2026, so windows inside that gap return nothing.
What data exists for each FTSE 100 (UKX) 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 "ftse-100-daily-up-or-down" through the API and Python SDK, or downloadable as Parquet.
How often do FTSE 100 (UKX) Up or Down markets resolve Down?
Of 161 resolved markets with a recorded outcome, 81 resolved Down (50.3%) and 80 resolved Up.
How much does a typical FTSE 100 (UKX) Up or Down market trade?
Average traded volume is $736 per market, $108.2K across the series.
Can I backtest strategies on FTSE 100 (UKX) Up or Down?
Yes. Pass the slug "ftse-100-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: S&P 500 (SPX) Up or Down, S&P 500 (SPX) Opens Up or Down, Dow Jones (DJIA) Up or Down, Russell 2000 Daily Up or Down, Hang Seng (HSI) Up or Down, Nikkei 225 (NIK) Up or Down, or all indices series.
Try it
Replay FTSE 100 (UKX) 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