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BlockForecast’s 5-minute markets are the fastest prediction product on the platform — and, as of 2026, the fastest publicly tradeable crypto prediction markets anywhere. Polymarket’s shortest crypto markets are weekly. Kalshi has hourly Bitcoin contracts. BlockForecast has 5-minute. The premise is simple: at the start of each round, the current spot price is captured as the anchor; at the end, the market resolves UP if the spot price is at or above that anchor, and DOWN if it’s below. Markets are rolling and always-on — when one round closes, the next is already open.

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How a round works

1

Round opens — anchor price is set

At the start of each round, the live spot price for BTC, ETH, or SOL is captured from the Pyth Hermes price feed on Base. This becomes the “price to beat” — the anchor for the round.
2

Trading window opens

You can buy UP or DOWN shares at the current market price. For 5-minute rounds, the trading window runs for 4 minutes 30 seconds. For 15-minute rounds, it runs for 14 minutes.
3

Halt window

Trading freezes 30 seconds before resolution on 5-minute rounds (60 seconds for 15-minute rounds). This halt window prevents last-second exploitation where a trader can see the outcome is clearly locked in and dump size into stale quotes.
4

Resolution — Pyth snapshot

At the resolution moment, the Pyth Hermes feed delivers the canonical spot price. UP wins if spot ≥ anchor; DOWN wins if spot < anchor. Winning shares pay $1 each.
5

Next round is already live

Rounds are pre-created so there’s never a gap. As one round resolves, the next is already open and accepting trades.

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Available markets

BTC 5-minute

Rolling, always-on. Anchor set from Pyth Hermes BTC/USD feed.

BTC 15-minute

Rolling, always-on. Longer window for slightly less noisy price action.

ETH 5-minute

Rolling, always-on. ETH/USD from Pyth Hermes.

ETH 15-minute

Rolling, always-on.

SOL 5-minute

Rolling, always-on. SOL/USD from Pyth Hermes.

SOL 15-minute

Rolling, always-on.
Additional assets are available on request — Pyth covers 50+ crypto assets.

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Why 5-minute markets are interesting

Tight feedback loop. Traditional prediction markets run for days, weeks, or months. You wait a long time to find out whether your forecast was right. On 5-minute markets, you know within minutes. This makes the product useful for skill-building: you get dozens of data points per day rather than a handful per month. Pure price-action trading. You don’t need a long-term thesis on Bitcoin’s value. The question is narrower: which way is BTC moving in the next five minutes? This suits technical traders, momentum traders, and anyone who watches charts closely. Always-on. Crypto trades 24 hours a day, seven days a week. So do these markets. There’s no waiting for a market to open. Differentiated product. You can’t trade 5-minute crypto markets on Polymarket or Kalshi. BlockForecast is the only platform currently offering sub-hourly rolling Bitcoin prediction markets at this level of accessibility.

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Reading the chart

The market page shows a live spot price chart sourced from the Pyth feed. A horizontal line marks the anchor price for the current round. A pulsing dot tracks the current spot price at the rightmost edge of the chart. The dot and chart color update in real time:
  • Green — current spot is above the anchor (UP is currently winning)
  • Red — current spot is below the anchor (DOWN is currently winning)
The color flips instantly as the price crosses the anchor. The chart is informational — it does not predict where the price will be at resolution.

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Trade protections

Short-duration markets attract a specific kind of risk: a well-capitalized trader who can observe the spot price ticking clearly toward resolution can dump large size into the market seconds before close, exploiting stale market-maker quotes. BlockForecast layers four defenses against this:
The order book closes 30 seconds before resolution on 5-minute rounds, and 60 seconds before resolution on 15-minute rounds. No trades are accepted during this window.
The maximum price impact per trade tightens as resolution approaches: 10% → 7% → 4% → 2.5%. Large orders placed close to resolution receive a worse fill rather than moving the price significantly.
Per-wallet USDC exposure on a single round steps down as the round nears resolution: 50,000→50,000 → 20,000 → 5,000→5,000 → 1,000. This prevents late-stage position-building by well-capitalized accounts.
If your order size exceeds available depth, the system returns a smaller fitting quote rather than failing the order outright. You get a partial fill at the available price rather than an error.

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Fees

The standard creator fee is 0.5% per trade, plus a small protocol fee. As a round approaches resolution, the effective fee can increase up to 5% during the final seconds to deter informed flow. This ramp is applied only in the window immediately before the halt.

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How to place a trade

1

Deposit USDC

You need USDC on Base. Use the in-app bridge to convert any crypto in one click. See How to Deposit. Minimum trade is $1 USDC.
2

Go to the 5-minute markets

Navigate to Markets and filter by the binary category, or search for BTC, ETH, or SOL.
3

Read the current round

Check the anchor price (horizontal line on the chart), the current spot price, and the time remaining. Current YES and NO share prices reflect the crowd’s directional lean.
4

Buy UP or DOWN

Click UP if you believe the price will be at or above the anchor at resolution. Click DOWN if you believe it will be below. Enter your USDC amount and confirm.
5

Watch the resolution

The round resolves at the snapshot moment. Winning shares pay $1 each, automatically credited to your wallet. The next round is already open.
5-minute markets are short-duration and highly volatile. A price that looks clearly directional 3 minutes before resolution can reverse in seconds. The market will not always move the way the chart suggests it’s heading. Only trade size you’re prepared to lose entirely on a given round. The time-decaying position caps are there for a reason — use the early part of the trading window when price impact and exposure limits are most favorable.

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FAQ

The Pyth Hermes price feed on Base. The canonical price is the Pyth snapshot at the exact resolution moment.
A fallback chain kicks in: Pyth → CoinGecko → Coinbase API. If all three sources are unavailable, the round is voided and all traders are refunded in full.
Yes — the CLOB (central limit order book) phase of trading accepts resting limit orders that fill against incoming market orders.
Rounds are pre-created so there’s no gap between them. Before the next round opens, the timer shows “Starts in MM:SS”. Once the round is live, it flips to a countdown to the halt time.
$1 USDC.