MLB ·
St. Louis Cardinals vs Washington Nationals result (5:3) on 21 Sep 2026 (MLB): 19 profitable pros on Polymarket/Kalshi took positions, 80% backing St. Louis Cardinals to win. See who got it right, plus both teams' form.
Final score: St. Louis Cardinals 5:3 Washington Nationals (2026-09-21). Before the result, 80% of 15 profitable pros with a win/draw position backed St. Louis Cardinals to win — that call was right.
19 profitable pros (listed on Tips, cumulative P&L above zero) hold positions on this match. Latest win/draw pick per pro: St. Louis Cardinals 12 (80%) · Washington Nationals 3 (20%).
St. Louis Cardinals, last 5: L L W L W. Washington Nationals, last 5: W W L W L. Head-to-head, last 2 meetings (St. Louis Cardinals wins – draws – Washington Nationals wins): 0-0-2; latest 2026-09-20: St. Louis 5:8 Washington.
Sources: public prices and positions on Polymarket and Kalshi; results from public sports data. Data as of 2026-09-21 04:42 UTC+8. How we calculate: methodology
19 profitable pros have positions on this match. Latest win/draw pick per pro: St. Louis Cardinals to win 12 (80%) · Washington Nationals to win 3 (20%).
| 2026-09-20 | vs Washington | 5:8 | L |
| 2026-09-19 | vs Washington | 1:9 | L |
| 2026-07-11 | vs Atlanta | 4:1 | W |
| 2026-07-10 | vs Milwaukee | 4:8 | L |
| 2026-07-09 | vs Milwaukee | 5:1 | W |
| 2026-09-20 | vs St. Louis | 8:5 | W |
| 2026-09-19 | vs St. Louis | 9:1 | W |
| 2026-07-11 | vs New York Yankees | 2:4 | L |
| 2026-07-09 | vs Houston | 8:2 | W |
| 2026-07-08 | vs Houston | 3:6 | L |
| 2026-09-20 | St. Louis | 5:8 | Washington |
| 2026-09-19 | St. Louis | 1:9 | Washington |
| Date | Match | Pick | Result |
|---|---|---|---|
| 2026-09-20 | TopmodelD Kalshi | St. Louis wins | Won |
| 2026-09-20 | panicky.peafowl7671 Kalshi | St. Louis wins | Won |
| 2026-09-20 | nimble.donkey9433 Kalshi | St. Louis wins | Won |
| 2026-09-20 | ur1022 Kalshi | Washington wins | Lost |
| 2026-09-20 | guitarist9 Kalshi | St. Louis wins | Won |
| 2026-09-20 | DigitalDemon666 Kalshi | St. Louis wins | Won |
| 2026-09-20 | homeless.moorhen8260 Kalshi | St. Louis wins | Won |
| 2026-09-20 | Chris.reso Kalshi | St. Louis wins | Won |
| 2026-09-20 | rough.threat Kalshi | Washington wins | Lost |
| 2026-09-20 | clis41 Kalshi | St. Louis wins | Won |
| 2026-09-20 | clis41 Kalshi | Washington wins | Won |
| 2026-09-20 | tooloud713 Kalshi | St. Louis wins | Won |
| 2026-09-20 | 1982gelo Kalshi | St. Louis wins | Won |
| 2026-09-20 | existing.chipmunk Kalshi | St. Louis wins | Won |
| 2026-09-20 | dawgsML Kalshi | St. Louis wins | Won |
| 2026-09-20 | jassiioye Kalshi | St. Louis wins | Won |
| 2026-09-20 | Chop168 Kalshi | Under 6.5 | Lost |
| 2026-09-20 | decimal.chipmunk9126 Kalshi | Washington wins | Lost |
| 2026-09-20 | parallel.mackerel2724 Kalshi | St. Louis wins | Won |
| 2026-09-20 | terri34 Kalshi | Washington wins | Lost |
| 2026-09-20 | maomao Kalshi | 1st inning: Over 0.5 runs | Won |
| 2026-09-20 | Jbreezy801 Kalshi | 1st inning: Over 0.5 runs | Lost |
| 2026-09-20 | 392fredo Kalshi | 1st inning: Over 0.5 runs | Won |
| 2026-09-20 | nail.pill Kalshi | Washington wins | Lost |
| 2026-09-20 | Dodzilla Kalshi | St. Louis wins | Won |
| 2026-09-20 | dawgsML Kalshi | Washington wins | Lost |
| 2026-09-20 | kicker31 Kalshi | F5 Over 6.5 | Lost |
| 2026-09-20 | gang.race Kalshi | St. Louis wins | Won |
| 2026-09-20 | luhtwain Kalshi | Over 8.5 | Lost |
| 2026-09-20 | caracool Kalshi | St. Louis wins | Won |
| 2026-09-20 | zarosky Kalshi | St. Louis wins | Won |
| 2026-09-20 | kicker31 Kalshi | WSH -3.5 | Lost |
| 2026-09-20 | row.norm Kalshi | Over 7.5 | Won |
| 2026-09-20 | negative.collie2897 Kalshi | St. Louis wins | Won |
| 2026-09-20 | KimchiPowers Kalshi | St. Louis wins | Won |