Yesterday London's high rolled off its max between our scans - the band went 61c to 94c before we ever saw it. So last night we built a watcher that polls the station tape every 5 minutes.
Today it went live at 2:10pm ET on Philadelphia. Twelve minutes later it fired: tape rolled 85F to 82.4F, forecast ceiling 82F the rest of the day. Max banked. The market was still pricing 19 cents of spike fear, so we bought the 85-86 band at 81c.
Live: https://t.co/fLly9k023d
I like trading Weather Prediction Markets.
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Patience is a position. We passed Denver 92-93 twice at 82c while the sun was still on the plains — then the storm shield rolled over the station, the tape dropped 92 to 91, and the same band cost 73c with the risk gone. I like trading Weather Prediction Markets. #Kalshi #PredictionMarkets
The marine layer is a trader's best friend. LA's overnight low banked at 69F this dawn — and under that stratus deck, evening temps don't move. Waited for the forecast leg to verify, then took the 68-69 band at 88c. I like trading Weather Prediction Markets. #Kalshi #PredictionMarkets
We refused this exact Atlanta trade yesterday because the TAF showed morning showers - and those showers undercut the minimum, killing the band we passed on.
Today the TAF is empty, the min held through dawn, and tonight reads 83F at 11pm. Same city, different sky. 78 cents.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Seoul printed 30 by late morning, then went backwards. We pulled the satellite frame: a cloud shield streaming off China, parked over Korea for the peak hours.
When you can literally see why the heating stopped, an 82-cent band with a rolled tape is a trade.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Polymarket #PredictionMarkets
Weather desk, Jul 26: 6W-1L, -$7.75 net.
Banked: Wellington 10°C, Seoul 31°C, Taipei 37°C, Philadelphia low 64°F+, Las Vegas low 91°F+, Boston high 73°F-.
Paid tuition: NYC high 83-84°F.
The rule that decided it: obs printed + every model below the flip = trade. Anything else = watch.
I like trading Weather Prediction Markets.
Today's open book (Jul 27):
Hong Kong 33°C @ 65c
Taipei 35°C @ 82c
Boston low 57°F+ @ 90c
Las Vegas low 90°F+ @ 87c
Every entry passed the same gate: observation first, forecast confirm, real orderbook. Live scanner runs every 30 minutes, both venues.
Vegas bottomed at 91F this morning. The floor is 90. Tonight's forecast: 99F at 11pm with zero percent rain.
We made this exact trade yesterday and it paid. The desert heat dome is still parked, so we made it again.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Three cities bottomed out at dawn with fat cushions above their Kalshi floors. We took one.
Boston: clear TAF, 69F at 11pm, 4.5 degrees of margin. Philadelphia: thunderstorms after 2pm. Atlanta: morning showers that could undercut the min itself.
Same setup on paper. Only one has a clean sky.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Taipei's METAR has said 35 for three hours. The Wunderground feed this market settles on has said 34 for the last hour. When the referee's own thermometer rolls off the max, the plateau is over - whatever the proxy says.
Every model is 1.3C+ under the flip. 82 cents.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Polymarket #PredictionMarkets
NYC and Philadelphia ran the same setup this afternoon: high printed, bracket at a discount, peak fading.
We bought NYC at 89c and refused Philly at 78c. Difference: NYC's remaining forecast tops at 83 - inside the bracket. Philly's says 86 at 5pm - through the flip.
The cheaper one is cheaper for a reason.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
A '73F or below' contract is a bet against heat - until the heat is finished. Boston topped at 71F, it is past 4pm on the coast, and every remaining forecast hour goes down: 70, 69, 68, 64 by 11pm.
At that point 88 cents is just yield on a dead tape.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Weather desk, Jul 25: 6W-2L, +$0.67 net.
Banked: Singapore 30°C, Taipei 36°C, Atlanta low 74-75°F, Washington DC 81-82°F, Las Vegas 113-114°F, San Francisco 70-71°F.
Paid tuition: Shenzhen 36°C, Austin 95-96°F.
The rule that decided it: obs printed + every model below the flip = trade. Anything else = watch.
I like trading Weather Prediction Markets.
Today's open book (Jul 26):
Hong Kong 33°C @ 65c
Wellington 10°C @ 79c
Seoul 31°C @ 67c
Taipei 37°C @ 87c
Philadelphia low 64°F+ @ 87c
Las Vegas low 91°F+ @ 79c
Every entry passed the same gate: observation first, forecast confirm, real orderbook. Live scanner runs every 30 minutes, both venues.
Las Vegas bottomed at 92F this morning. The Kalshi floor is 91. For this to lose, Vegas needs to get colder tonight than it was at sunrise - with a forecast of 101F at 11pm and 1% rain.
The 22-cent discount is monsoon fear. The TAF says the monsoon isn't coming.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Philadelphia and DC both bottomed out this morning with the same 1.5 degree cushion above their Kalshi floor. Identical setups - until you read tonight's airport forecasts.
Philly: clear, 72F at 11pm. DC: showers after 8pm. Rain crashes evening temps.
Took Philly, refused DC. Small size while yesterday's book settles.
Live: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Kalshi #PredictionMarkets
Taipei spent four days topping out at 36. Today it printed 37 - and we saw it on the settlement source itself, the same feed the market reads.
A 38 needs two degrees past every model with the peak already over. 87 cents.
Live book: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Polymarket #PredictionMarkets
Every model said Seoul tops out at 29 today. The thermometer printed 31 twice by 1pm.
For us to lose, the day needs 32 - two degrees past every forecast. Two touches, no push. We paid 67 cents.
Live book: https://t.co/35qNsLkSoc
I like trading Weather Prediction Markets.
#Polymarket #PredictionMarkets