Republican Senate seats after the 2026 midterm elections?Polymarket historical data and price history
Republican Senate seats after the 2026 midterm elections: a standalone Polymarket politics event with 11 markets and $3.1M in lifetime traded volume. 11 markets are trading. Marketlens records every market's order book at full depth, coverage running since August 19, 2026.
Data as of 2026-10-05
Top 5 of 11 markets
Will the Republican Party hold 47 or fewer Senate seats after the 2026 midterm elections?
closes null · volume $274.1K · last price 38.5%
Will the Republican Party hold exactly 48 Senate seats after the 2026 midterm elections?
closes null · volume $60.0K · last price 18.0%
Will the Republican Party hold exactly 49 Senate seats after the 2026 midterm elections?
closes null · volume $55.0K · last price 13.5%
Query this event
from datetime import datetime, timedelta, timezone
from marketlens import MarketLens
client = MarketLens()
[event] = client.events.list(q="Republican Senate seats after the 2026 midterm elections", take=1)
for market in client.events.markets(event.id, take=5):
print(market.question, market.outcomes[0].last_price)
# the order book behind any market, at any past moment
book = client.orderbook.get(market.id, at=datetime.now(timezone.utc) - timedelta(days=2))
print(book.midpoint, book.bid_depth, book.ask_depth)Common questions
What data does Marketlens have for "Republican Senate seats after the 2026 midterm elections"?
11 markets with full depth L2 order book history recorded since August 19, 2026, market metadata with lifetime traded volume, and the winning outcome for each market once it resolves.
How much has "Republican Senate seats after the 2026 midterm elections" traded on Polymarket?
$3.1M in cumulative traded volume across the event's markets. Per market volumes are listed in the table on this page.
How do I download "Republican Senate seats after the 2026 midterm elections" data?
Query it through the REST API or the Python SDK (pip install marketlens): search events for "Republican Senate seats after the 2026 midterm elections", list the event's markets, then pull each market's order book history. Bulk Parquet exports cover full markets for offline work; the free tier reads markets open in the last 7 days and Pro the full archive.
Related events: Democratic Presidential Nominee 2028, Presidential Election Winner 2028, Republican Presidential Nominee 2028, or the full event list.
Try it
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The free tier includes 2M data rows and every market open in the last 7 days, no card required.
$ pip install marketlens