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Buenos Aires July 5 High Temp: Will Nine Degrees Hold?

Buenos Aires July 5 High Temp: Will Nine Degrees Hold?

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SR Sofia Renard Climate & Science Analyst
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Lines Verdict
YES at 100% implied probability

LEAN NO: In an eleven-bucket market, the leading single outcome still faces long odds, and thin volume of $4,497 means the thirty-seven percent probability is not yet a reliable consensus signal. Market probability: 37%.

100% Market Probability
1h +0.5% 24h +54.0% Trend Weak (43/100)
Volume
$52.0K
$39.9K in 24h
Liquidity
$124.5K
Deep liquidity
Time Left
Ended
Resolves Jul 5
52K Vol. Ended

Buenos Aires sits deep in Southern Hemisphere winter right now, and a single-day temperature market is forcing traders to pick a lane on a precise meteorological outcome. The market prices a nine-degree Celsius high on July 5 at thirty-seven percent probability. That is a meaningful minority position in a field split across eleven possible outcomes, from four degrees or below all the way to fourteen or higher.

The market question asks: what will be the highest temperature recorded in Buenos Aires on July 5, 2026? The nine-degree outcome trades at $0.37 YES and $0.63 NO, resolving at 12:00 UTC on July 5. Total volume stands at $4,497, with all of that volume arriving in the last twenty-four hours. This is a brand-new, short-fuse market.

How the Buenos Aires Temperature Contract Works

This contract resolves to whichever temperature bucket matches the official highest reading for Buenos Aires on July 5. The resolution source is the market itself, drawing on a verified weather data provider. Each outcome bucket is mutually exclusive. Only one pays out.

  • YES on nine degrees pays out if the official daily high lands exactly in the nine-degree Celsius range for Buenos Aires on July 5.
  • NO at $0.63 reflects the combined probability that the high lands anywhere other than nine degrees, across ten alternative outcomes.

The NO side does not require a single competing outcome to dominate. It wins if any of the ten alternative buckets capture the actual reading. Buenos Aires winters produce daily highs that commonly range between eight and fourteen degrees Celsius in early July, so the field of plausible outcomes is genuinely wide. A colder-than-expected front or an unseasonably mild day both push the NO side higher without requiring a dramatic meteorological event.

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Momentum and Market Signals

The momentum composite here is essentially flat. The one-hour price change sits at zero percent, twenty-four-hour data is unavailable given the market’s fresh launch, and the trend score of 41.90 puts this contract in neutral-to-slightly-bearish territory. No single data release or forecast revision appears to have triggered the opening price. The market opened and has traded within a tight band.

Total volume is $4,497, which is the same as the twenty-four-hour volume because this market is less than a day old. Liquidity is deep relative to volume at $46,962, which is an unusual ratio. That deep order book suggests market makers have positioned across multiple outcome buckets, not just the nine-degree bucket. Thin volume against deep liquidity means the nine-degree price can move sharply on a single credible weather forecast update before resolution.

  • The one-hour price change of zero percent and a trend score below fifty point to a market in wait-and-see mode, likely pausing for updated short-range forecast data from Buenos Aires weather services.
  • Volume of $4,497 against $46,962 in liquidity flags a low-conviction opening. This market has not yet attracted the volume needed to treat the thirty-seven percent implied probability as a stable signal.
  • The trader sentiment breakdown leans bearish at sixty-three percent NO, consistent with the inherent difficulty of pinpointing a single degree in a multi-outcome field.
  • Open interest sits at zero, which confirms this market resolved its initial trades quickly. New positions have not yet built meaningful open interest.
  • The absence of whale trades means no large informed bets have landed yet. Price discovery here is still in early stages.

Lines Analysis: Buenos Aires July Five Temperature

The case for nine degrees rests on Buenos Aires climatology for early July. The city’s average daily high in early July sits close to twelve degrees Celsius historically, but cold fronts originating in Patagonia can drag readings toward eight to ten degrees for brief windows. A nine-degree high would require either a moderate cold intrusion or persistent cloud cover suppressing afternoon warming. It is not an extreme outcome, which is part of why it prices as the single most likely individual bucket.

What makes the NO side compelling is simple math. Even if nine degrees is the single most probable individual outcome, ten alternative buckets split the remaining probability. A ten-degree or eight-degree reading lands close enough to nine that forecast uncertainty alone creates meaningful drift across adjacent buckets. Any shift in the short-range Buenos Aires forecast toward warmer or colder conditions compresses the nine-degree probability further.

  • Short-range weather model output from Buenos Aires-based meteorological services is the single most important signal to watch. Any model consensus shift toward ten degrees or above before resolution will reprice this contract sharply.
  • Wind direction matters. A northerly flow warms Buenos Aires quickly during winter, pushing the high toward eleven or twelve degrees. A southerly or southwesterly flow reinforces cold, potentially dragging the high below nine.
  • Cloud cover persistence through the morning hours is a secondary factor. Overcast skies in Buenos Aires suppress afternoon temperature recovery, favoring the lower outcome buckets.
  • The $46,962 liquidity pool suggests market makers expect volatility into resolution. Significant price movement is possible in the twelve hours before the July 5 cutoff.

Total volume of $4,497 is too thin to treat as a strong market consensus signal. The data at this point favors the NO side purely by the mechanics of a multi-outcome market, not because nine degrees is climatologically unlikely. The most honest read is that this market is pricing genuine meteorological uncertainty across a narrow but real range of outcomes.

LINES VERDICT

LEAN NO, THIN SIGNAL

The nine-degree outcome is plausible but hardly dominant. In an eleven-bucket market, even the most likely single outcome faces long odds, and the volume here is too thin to distinguish informed conviction from noise.

What the market says: Thirty-seven percent implied probability means the market treats nine degrees as the leading single outcome but gives it less than even-money odds. With less than twenty-four hours to resolution, any forecast update could swing this price by ten points or more.

Key unknown: The next available short-range weather model run for Buenos Aires on July 5 is the single data point that will reprice this contract. A model consensus shift of even one degree in either direction collapses the nine-degree probability or inflates it significantly before the noon UTC cutoff.

Scientific Context: Buenos Aires Winter Temperature Patterns

Buenos Aires sits at roughly thirty-four degrees south latitude, placing it in a temperate zone with genuine winter cold. Early July daily highs typically range from ten to fourteen degrees Celsius, with occasional cold fronts from the south dropping readings below ten degrees. A nine-degree high is below the historical average but within the normal winter variability range. The city’s urban heat island effect tends to keep readings a degree or two above surrounding rural areas, which slightly reduces the probability of readings at the lower end of the spectrum. Markets like this one, resolving on a single day with high meteorological specificity, compress rapidly toward their true probability in the final hours before resolution.

Frequently Asked Questions

The market estimates a roughly one-in-three chance the Buenos Aires high lands exactly at nine degrees Celsius on July 5. Ten alternative outcomes split the remaining sixty-three percent probability.

NO pays out if the Buenos Aires daily high on July 5 lands in any bucket other than nine degrees Celsius, including eight, ten, eleven, or any other listed outcome.

An updated short-range weather model forecast for Buenos Aires on July 5 is the primary driver. A shift of one degree in model consensus would materially reprice the nine-degree bucket.

The market resolves at 12:00 UTC on July 5, 2026, based on the official highest temperature recorded for Buenos Aires on that date.

Total volume of $4,497 is very thin. Liquidity at $46,962 is comparatively deep, meaning a single larger trade could shift the nine-degree price significantly before resolution.

We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.

A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.

No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations.

What Could Shift These Probabilities?

Cold Front Locks In Nine Degrees

A southerly or southwesterly wind intrusion from Patagonia holds Buenos Aires temperatures below typical July levels through July 5. Persistent cloud cover suppresses afternoon warming. Short-range models converge on a nine-degree high, and the nine-degree bucket absorbs new volume, pushing YES toward fifty percent or higher before the noon UTC cutoff.

Warmer-Than-Expected Day Moves Money to Adjacent Buckets

A northerly airflow brings warmer air into Buenos Aires on July 5, pushing the afternoon high toward eleven or twelve degrees Celsius. Model consensus shifts away from nine degrees, and YES collapses as traders pivot to higher outcome buckets. The NO side captures most of the remaining probability.

Forecast Uncertainty Keeps Nine Degrees Alive

Model runs for July 5 remain split between eight, nine, and ten degrees right up to resolution. Traders cannot confidently exit the nine-degree bucket, keeping YES elevated near thirty-five to forty percent. The final reading comes in at nine degrees and YES pays out, rewarding holders who stayed through the noise.

Unexpected Cold Snap Shifts Volume to Lower Buckets

An unusually strong Patagonian cold surge arrives faster than forecast models anticipated, driving the Buenos Aires high below eight degrees. Volume floods into the seven-degree and six-degree or below buckets. The nine-degree YES price drops sharply as traders reposition, and the winning outcome sits well outside the opening market consensus.

Key macro factor: Southern Hemisphere winter 2026 has been characterized by active cold front sequences over the Pampas region, increasing the variability of Buenos Aires daily temperature readings in early July compared to climatological averages.

Market Timeline

Jul 4, 1:01 AM
Market Created
Jul 4, 1:02 AM
Market Opened
12:00 PM
Market Resolution

Market Comments

Probabilities shown are market-implied and not predictions or recommendations. This content is for informational purposes only.