Highest temperature in Shanghai on April 18?
Weather|$36.7k Vol|
time1 days 1 hrs

Highest temperature in Shanghai on April 18? - AI Found +21.5¢ Mispricing

AI Signal Dashboard

Last updated: 04.16 06:19
Top Undervalued
+21.5¢
20°C(No)
+10¢
18°C(Yes)
+6¢
19°C(Yes)

Highest temperature in Shanghai on April 18? AI analysis: • +21.5¢ undervalued • Live Prediction Market fair value & mispricing alerts.

Undervalued Options Insights:
Based on the latest weather forecasts, the high temperature at Shanghai Pudong International Airport...
🔓 Unlock Mispricing Insights (Pro)

Real-time High Yield Opportunities

View More
Which company has the best AI model end of April?
Tech|$9.1m Vol|
time12 days 13 hrs

Which company has the best AI model end of April?

Top Undervalued
+0.6¢
Google(Yes)
+0.5¢
Anthropic(Yes)
Undervalued Options Insights:
With only 12 days left until the end-of-April settlement, Anthropic maintains an absolute lead on th...
🔓 Unlock Mispricing Insights (Pro)
Hedging
GOOGL
MSFT
If a company (like Google or OpenAI/Microsoft) suddenly releases a dominant new model by the end of April, it directly impacts stock sentiment. Chatbot Arena is widely regarded as the most unbiased third-party evaluation, and ranking first confirms a technical moat. For Google (Gemini) or Microsoft (OpenAI investor), securing the top spot would strongly endorse their leadership in AI, potentially causing tradable intraday price movements (Score 3). There is also indirect impact on Amazon (Anthropic investor) and Nvidia (industry enabler).
AI Analysis
Bachelorette Season 22 Winner
Culture|$811.8k Vol|
time226 days 13 hrs

Bachelorette Season 22 Winner

Top Undervalued
+0.7¢
Trenten Merrill(Yes)
+0.7¢
Johnnie LaRossa(Yes)
Undervalued Options Insights:
Recent price action shows Matt Carroll (41.4c) remaining the clear favorite. Clayton Johnson's price...
🔓 Unlock Mispricing Insights (Pro)
Movers
April 16, 2026 - April 17, 2026, Clayton Johnson's price crashed from 25.05c to 3c, likely due to definitive spoilers or evidence ruling out his chances of winning. April 16, 2026 - April 17, 2026, Matt Carroll's price skyrocketed from 4.95c to 41.4c, potentially related to the same spoilers that ruled out Clayton, re-establishing him as the clear favorite. April 10, 2026 - April 12, 2026, Clayton Johnson's price crashed from 39.4c to 24.15c, likely due to some spoiler sources doubting his chances of winning or new clues pointing to other candidates. April 5, 2026 - April 6, 2026, Matt Carroll's price skyrocketed from 6c to 40.8c, driven by explosive new clues in the spoiler community suggesting he made the final two or is the ultimate winner. April 2, 2026 - April 4, 2026, Clayton Johnson's price surged from 17.3c to 41.9c, as authoritative spoiler sources updated their predictions, naming him as a top contender for the final rose. March 29, 2026 - March 30, 2026, Conrad Ukropina's price surged from 1.05c to 27.3c, driven by new social media clues suggesting he made it to the final selection, shattering previous market consensus. March 28, 2026 - March 29, 2026, Shane Parton's price briefly spiked from 2.6c to 23.6c before retracing, reflecting rumors of him re-emerging as a top contender. March 27, 2026 - March 28, 2026, Michael Baba's price skyrocketed from 1c to 34.65c, likely due to a new spoiler drop naming him as the actual winner. March 14, 2026 - March 15, 2026, Doug Mason's price surged from 57.5c to 75.5c, while Shane Parton's price crashed from 30.65c to 11.25c. The reason was new social media evidence placing Doug Mason in Utah (where the Bachelorette lives), widely interpreted as smoking gun proof of his victory.
Elon Musk # tweets April 14 - April 21, 2026?
Culture|$4.5m Vol|
time4 days 5 hrs

Elon Musk # tweets April 14 - April 21, 2026?

Top Undervalued
+2¢
280-299(Yes)
+1.4¢
340-359(No)
Undervalued Options Insights:
As time progresses (with almost half of the observation window passed), Musk's daily average posting...
🔓 Unlock Mispricing Insights (Pro)
Rule Risk
The rules exclude general replies but include 'main feed replies' and deleted tweets captured within 5 minutes. Since the market heavily relies on a specific third-party tracker (xtracker) rather than simply looking at his official X profile count, this creates potential discrepancies and moderate resolution risks.
Exotics
Predicting the exact number of posts an individual makes during a specific week is highly entertaining and niche. The general public rarely thinks about or tracks such trivial data points.
Movers
2026-04-15 to 2026-04-17, the price of the 280-299 option surged from 9.5c to 20.0c, and the 300-319 option rebounded from 7.5c to 17.5c. This occurred because Musk's posting frequency over these three days closely matched a pace of 41 posts per day, confirming market expectations for this central range. 2026-04-14 to 2026-04-17, due to short-term fluctuations in Musk's actual daily posting frequency, market expectations underwent intraday corrections. For instance, the 220-239 option dropped from 11.5c to 5.5c. This shows that expectations of overly low posting volumes were invalidated as time passed. 2026-04-11 to 2026-04-17, the price of the 240-259 option steadily declined from 27.5c to around 11.5c. This occurred because, as actual observational data accumulated, the posting pace was slightly higher than the initially estimated 35 posts per day, shifting the probability center towards the 260-319 range. 2026-04-12 to 2026-04-13, affected by the approaching observation window and an initially high posting volume, some previously concentrated low-frequency expectations broke, and probabilities shifted toward the higher-frequency 300+ ranges.
AI Analysis
US x Iran ceasefire extended by...?
Geopolitics|$1.2m Vol|
time3 days 13 hrs

US x Iran ceasefire extended by...?

Top Undervalued
+0.5¢
April 18(No)
Undervalued Options Insights:
Current market prices show the Yes price for April 21 stabilizing around 78c, while April 18 remains...
🔓 Unlock Mispricing Insights (Pro)
Hedging
Gold
Crude Oil
S&P 500
Direct military conflict and ceasefire statuses between the US and Iran significantly impact global macro assets. Crude Oil is highly sensitive to Middle East supply risks and the Strait of Hormuz, meaning a ceasefire extension would drastically reduce geopolitical risk premiums. Concurrently, safe-haven assets like Gold and broader equity indices (S&P 500) would be directly moved by major shifts in market risk sentiment.
Movers
April 16, 2026 17:03 - April 17, 2026 10:23, the price of the 'April 21' option fluctuated narrowly between 76.5c and 82.5c, as the final deadline approached and the market waited for further official confirmation, leading to caution among traders. April 16, 2026 15:58 - April 17, 2026 07:08, the price of the 'April 18' option dropped further from 24c to 10.5c, as the extreme proximity of the deadline without official progress dashed hopes for a short-term agreement. April 16, 2026 00:48 - April 16, 2026 15:58, the price of the 'April 21' option rebounded from 69.5c to 83.5c, reflecting renewed market optimism for an overall extension before the final deadline, despite short-term setbacks. April 16, 2026 05:08 - April 16, 2026 10:33, the price of the 'April 18' option retreated significantly from 35c to 16c, as the approaching deadline without substantive official breakthroughs suppressed short-term expectations. April 16, 2026 00:48 - April 16, 2026 05:08, the price of the 'April 18' option quickly rebounded from 19c to 35c, likely due to new signals of short-term negotiation progress that reignited hopes for an agreement before the 18th. April 15, 2026 22:38 - April 16, 2026 00:48, the price of the 'April 18' option plummeted from 41.5c to 19c, as the White House denied requesting an extension, combined with negative remarks from Trump and US naval actions, crushing short-term optimism. April 15, 2026 17:13 - April 15, 2026 23:43, the price of the 'April 21' option sharply retreated from 88.5c to 71c, because earlier optimistic rumors regarding diplomatic breakthroughs were not officially confirmed, cooling market sentiment and prompting aggressive profit-taking. April 15, 2026 09:38 - April 15, 2026 17:13, the price of the 'April 21' option surged straight from 69c to 88.5c, due to strong signals suggesting major breakthroughs in the US-Iran ceasefire negotiations.
AI Analysis
Trump announces US x Iran ceasefire end by...?
Trump|$4.4m Vol|
time3 days 13 hrs

Trump announces US x Iran ceasefire end by...?

Top Undervalued
+1¢
April 21(No)
Arbitrage Opportunity
1¢
Arbitrage
460%
Annualized yield
Arbitrage|Low Risk
Arbitrage Plan: Buy the No option for April 18 Plan Description: The current price for the April 18 No option is around 98.75c. With less than a day left until settl...
🔓 Unlock Full Arb Plan (Pro)
Undervalued Options Insights:
As of April 17, 2026, less than 1 and 4 days remain until the April 18 and April 21 deadlines, respe...
🔓 Unlock Mispricing Insights (Pro)
Rule Risk
The trap lies in: 1) Merely referencing violations isn't enough; it must explicitly declare the ceasefire over. 2) Replacing it with a new agreement without direct hostilities won't qualify as an end. 3) Reality doesn't matter; only official announcements count (from the US government or Trump's posts). The strict requirement for definitive language makes 'Yes' resolutions tricky.
Hedging
Gold
Crude Oil
The end of a ceasefire between the US and Iran would signal a severe escalation in Middle East conflict. This would directly cause Crude Oil prices to spike due to supply disruption fears. Gold would also rise as a safe-haven asset, while broad equities (S&P 500) could face downward pressure due to geopolitical risk and inflation fears from higher oil prices.
Movers
April 14, 2026 - April 17, 2026, the Yes price for April 21 plummeted from ~21.5c to 6c, and April 18 dropped from ~13.5c to 1.25c. This occurred because, as the deadlines approached without any official signals of a breakdown, market expectations for a near-term termination announcement cooled significantly, leading to rapid time-value decay. April 12, 2026 - April 16, 2026, the Yes price for April 21 plummeted from 37c to 8c, and April 18 dropped from 29c to 1.7c, driven by the absence of substantive breakdown declarations as the deadlines neared, causing panic selling. April 11, 2026 - April 12, 2026, the Yes price for April 21 rose from 25.5c to 37c, and April 18 rose from 19c to 29c, likely due to weekend localized frictions briefly heightening fears of the ceasefire collapsing. April 9, 2026 - April 12, 2026, the Yes price for the April 18 option rose from 18.5c to 29c as the market anticipated increased pressure from localized frictions, driving up mid-term option prices. April 8, 2026 - April 9, 2026, the Yes prices for all options plummeted. This sharp decline occurred because the market initially overestimated the probability of a rapid collapse right after the agreement, and subsequently revised expectations downward.
AI Analysis
All Outcomes
Market Price
AI Fair Value
Value Edge
20°C
YesNo
46.5¢
53.5¢
25¢
75¢
+21.5¢
18°C
YesNo
4.95¢
95.05¢
15¢
85¢
+10¢

Expand to view all 11 options

⚠️ Risk Warning: Live data may lag! Prices can shift instantly due to news or low liquidity. Before trading, use AI Chat for [Live Recalculate], [Check Liquidity], [Trollbox Radar], or review [Fair Value Logic] to verify.
Exotics
Betting on the exact highest temperature of a specific city on a given day is a highly niche weather prediction market. While weather derivatives exist in institutional finance, it remains a novelty topic that few people casually think about.

Support

Frequently Asked Questions

1. What is PolyPredict AI and how can I access it?
2. How does the AI determine the "Fair Value"?
3. What makes the "Arbitrage Plans" unique?
4. What is the difference between Event and Live Markets?
5. What are the key differences between the Free and Pro versions?
6. Can I use PolyPredict AI on Telegram?

The All-in-One AI Copilot for Prediction Markets