Cryptocurrency markets never sleep, but traditional settlement mechanisms often create timing and pricing uncertainties for traders. With Trading at Settlement (TAS) on CME Group’s Bitcoin and Ether futures, market participants can now execute trades at or near the official daily settlement price—regardless of when they trade. This powerful tool enhances execution certainty, supports risk management around ETF activity, and offers flexible trading methods across global time zones.
Whether you're hedging exposure, managing portfolio NAV alignment, or seeking efficient entry into large positions, TAS provides a strategic advantage in volatile crypto markets.
What Is Trading at Settlement (TAS)?
Trading at Settlement (TAS) is a mechanism that allows traders to execute futures contracts at a predefined spread relative to the official 4:00 p.m. ET daily settlement price. Instead of guessing where the market will close, TAS users lock in a differential—positive or negative—from the final settlement value, reducing execution risk during volatile closing periods.
This feature is available for:
- Bitcoin (BTC) futures
- Micro Bitcoin (MBT) futures
- Ether (ETH) futures
- Micro Ether (MET) futures
Each has a dedicated TAS symbol:
- TBT: TAS on Bitcoin futures
- TBM: TAS on Micro Bitcoin futures
- TET: TAS on Ether futures
- TEM: TAS on Micro Ether futures**
Key Benefits of TAS in Crypto Futures Trading
1. Execute Near Settlement Price Anytime
One of the biggest challenges in futures trading is uncertainty around the settlement print. Market volatility near 4:00 p.m. ET can lead to slippage and unpredictable fills. TAS eliminates this by allowing trades to be executed at any time during the trading day—even during Asian or European sessions—at a known offset from the eventual settlement price.
For example, if you submit a TAS order at +$5 during off-peak hours, your final fill will be the settlement price plus $5—no matter how much the market fluctuates before close.
This is especially valuable for:
- Global institutions operating across time zones
- Algorithmic traders avoiding end-of-day congestion
- Risk managers seeking precise valuation alignment
2. Manage Risk Around Cryptocurrency ETFs
With the growing number of cryptocurrency-based ETFs, accurate net asset value (NAV) calculations are critical. These funds must reconcile their holdings with underlying asset prices at specific times—often tied to the CME’s settlement benchmark.
Using TAS, ETF issuers and authorized participants can:
- Hedge exposure precisely around NAV calculation windows
- Reduce tracking error by locking in prices relative to settlement
- Execute large trades without impacting spot market prices
This ensures smoother creation and redemption processes, enhancing ETF efficiency and investor confidence.
3. Flexible Execution Methods
CME Group supports two primary ways to trade TAS contracts:
- CME Globex Central Limit Order Book: Transparent, electronic trading with real-time price discovery.
- Block Trades via ClearPort: Privately negotiated大宗 transactions between counterparties, ideal for large orders seeking discretion.
Both methods support TAS functionality, giving institutional and retail traders alike the flexibility to choose their preferred route to market.
How TAS Works: A Step-by-Step Example
Let’s walk through a real-world scenario using TAS on Bitcoin futures (TBT).
Step 1: Initiate a TAS Trade
A trader wants to go long Bitcoin futures at a slight premium to the expected settlement price. They place a TAS order under symbol TBT at +2 ticks ($2 per BTC).
TAS Transaction Price: +$2
Underlying Futures Contract: BTC (5 BTC per contract)
Step 2: Market Setstles
Later that day, the Bitcoin futures contract settles at $95,000 at 4:00 p.m. ET.
BTC Settlement Price = $95,000
Step 3: Position Conversion
After settlement, the TBT trade is automatically converted into a standard BTC futures position at:
$95,000 (settlement) + $2 (TAS differential) = $95,002
The trader now holds a fully margined BTC futures contract priced at $95,002—with complete certainty about execution cost.
This process happens seamlessly through clearing, eliminating manual reconciliation or timing risk.
👉 Learn how top-tier platforms integrate institutional-grade trading features for better outcomes.
Contract Specifications Overview
All TAS contracts are linked to their underlying futures and follow consistent rules:
| Feature | Bitcoin & Micro Bitcoin | Ether & Micro Ether |
|---|
(Note: Table format removed per instructions; content converted to semantic paragraphs.)
Underlying Contract Sizes:
- Bitcoin futures (BTC): 5 BTC per contract
- Micro Bitcoin futures (MBT): 0.10 BTC per contract
- Ether futures (ETH): 50 ETH per contract
- Micro Ether futures (MET): 0.10 ETH per contract
Trading Hours:
Available nearly 24/5 via CME Globex:
- Sunday to Friday: 6:00 p.m. – 4:00 p.m. ET
- TAS submissions for the next day’s settlement open after 7:00 p.m. ET
Minimum Price Fluctuations:
- BTC: $5 per bitcoin ($25 per contract)
- MBT: $5 per bitcoin ($0.50 per contract)
- ETH: $0.50 per ether ($25 per contract)
- MET: $0.50 per ether ($0.05 per contract)
TAS-specific ticks allow offsets within defined ranges:
- BTC TAS (TBT): ±20 ticks ($1 = $5 per tick)
- ETH TAS (TET): ±40 ticks ($0.05 = $2.50 per tick)
Listed Contracts:
Monthly contracts for six months, plus quarterly listings up to four quarters ahead.
- TAS available on the three nearest expirations for BTC and ETH
- TAS limited to front month only for micro contracts
Termination of Trading:
Standard futures cease trading at 4:00 p.m. London time on the last Friday of the month.
TAS terminates earlier—at 4:00 p.m. ET on the business day before the last trade date.
Block Trade Minimums:
Designed for institutional volume:
- BTC & ETH: 5 contracts
- MBT & MET: 10 or 100 contracts depending on product
Frequently Asked Questions (FAQ)
Q: Can I use TAS outside U.S. trading hours?
A: Yes. One of TAS’s key advantages is 24-hour access (within Globex hours). You can execute a TAS trade anytime—even during Asian or European sessions—and still receive a fill based on the U.S. 4:00 p.m. ET settlement price.
Q: Is there price uncertainty with TAS?
A: No. The only variable is your chosen spread (e.g., +$3 or -$1). Once the settlement price is published, your final execution price is fully determined and transparent.
Q: Who typically uses TAS?
A: Institutional investors, ETF market makers, hedge funds, and proprietary trading firms that require precise execution aligned with official benchmarks.
Q: Can I trade TAS as a retail investor?
A: Yes, if your broker supports CME Globex access. However, due to contract sizes and margin requirements, it's primarily used by professional traders.
Q: Does TAS work for both long and short positions?
A: Absolutely. You can enter long or short positions using positive or negative spreads relative to settlement.
Q: Are there additional fees for using TAS?
A: No extra fees are charged by CME specifically for TAS trades. Standard exchange and brokerage fees apply.
Why TAS Matters in Modern Crypto Trading
As digital assets become increasingly integrated into mainstream finance, tools like TAS bridge the gap between traditional derivatives markets and crypto innovation. By offering predictable execution tied to authoritative pricing benchmarks, TAS supports regulatory compliance, improves transparency, and reduces operational risk.
For firms managing crypto-linked ETFs or large portfolios exposed to BTC and ETH volatility, TAS isn’t just convenient—it’s essential infrastructure.
Final Thoughts
Trading at Settlement (TAS) transforms how participants interact with cryptocurrency futures. It removes guesswork from end-of-day pricing, enables global participation without time zone bias, and strengthens risk management around key financial events like ETF NAV prints.
Whether you’re an institutional player or a sophisticated individual trader, understanding and utilizing TAS can significantly improve your trading precision and efficiency in the fast-moving world of crypto derivatives.
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