When Schwab acquired TD Ameritrade in 2020, every thinkorswim power user held their breath. The platform they depended on for options chain analysis, IV displays, and multi-leg strategy entry was owned by a company known primarily for retirement accounts and index funds.
Four years later, thinkorswim survived. It runs on Schwab’s infrastructure now, carries the name “thinkorswim by Schwab,” and is still one of the most capable options platforms available to retail traders. But surviving the merger is not the same as being the right choice for every options trader. Here is what actually matters for active sellers and spread traders in 2026.
- thinkorswim survived the TD Ameritrade acquisition intact. The platform name changed; the functionality did not.
- Schwab charges $0.65 per contract to both open and close positions. There is no free-close structure as at tastytrade.
- thinkorswim remains best-in-class for options chain customization, IV display, and strategy backtesting via thinkBack.
- Schwab’s mobile app has limited options capabilities compared to the desktop platform.
- Schwab wins for traders who want a full-service brokerage with research tools and banking. tastytrade wins for pure-play premium sellers who prioritize workflow and lower close costs.
Schwab Options Quick Facts
| Feature | Details |
|---|---|
| Options commission | $0.65 per contract (open and close) |
| Stock trades | $0 commission |
| Account minimum | $0 |
| Primary platform | thinkorswim by Schwab (desktop + web) |
| Mobile options trading | Schwab Mobile (limited options functionality) |
| Paper trading | Yes (thinkorswim paperMoney) |
| Futures | Yes |
| Fractional shares | Yes |
| Portfolio margin | Yes (requirements vary by account value) |
| Affiliate program | None (no public affiliate program) |
Commission data verified as of 2026-03-28. See Schwab’s current fee schedule for the latest rates.
What the TD Ameritrade Merger Actually Changed
Schwab completed the full platform migration of TD Ameritrade accounts in 2024. Here is the honest summary of what changed and what did not:
What survived intact
- thinkorswim platform: The desktop application, options chains, Greeks display, IV rank and percentile columns, thinkScript scripting, and thinkBack backtesting all carried over without meaningful degradation. Former TDA users who relied on these features found a largely familiar environment post-migration.
- Commission rates: Schwab maintained TD Ameritrade’s $0.65 per contract structure. No rate increases accompanied the merger.
- Paper trading (paperMoney): The simulated trading environment in thinkorswim is still available and still uses live market data.
- Futures trading: Schwab retained TD Ameritrade’s futures capabilities, including /ES, /MES, and options on futures.
What changed or added friction
- Account management interface: The Schwab account management portal (schwab.com) replaced TD Ameritrade’s website. Some users reported the transition involved navigating a less intuitive account management UI during the first year post-migration.
- Cash management: Schwab’s cash sweep options replaced TDA’s. Schwab’s money market sweep rates are competitive, which matters for cash-secured put sellers who hold significant cash collateral.
- Mobile app: The Schwab Mobile app replaced thinkorswim Mobile for primary account access. Schwab Mobile handles the basics but lacks the full options chain functionality of the desktop thinkorswim. Active options traders should plan on using the desktop platform for any complex order entry.
thinkorswim for Options Traders: What Still Sets It Apart
thinkorswim’s options capabilities are genuinely best-in-class for retail platforms. The features that matter most for active options traders:
Options chain customization
thinkorswim lets you add any column to the options chain view. The IV percentile, IV rank, delta, theta, vega, and probability of expiring in-the-money are all available as chain columns and can be reordered. Most retail platforms show you two or three Greeks; thinkorswim lets you see all of them simultaneously for every strike and expiration.
thinkBack strategy backtesting
thinkBack allows you to place a hypothetical options position at any date in the past and track how it would have performed. For a trader backtesting a short strangle on a specific ticker across 10 earnings cycles, or evaluating a 45 DTE short put across 20 historical IV regimes, this is a genuine research tool. Most retail-facing analytics platforms charge separately for this capability.
Strategy analysis tools
The Analyze tab in thinkorswim shows P&L curves across time and underlying price simultaneously. The risk profile, Greeks aggregated across all positions, and stress-test scenarios are all in one view. This is where thinkorswim distinguishes itself for traders managing a portfolio of multi-leg positions rather than single trades.
thinkScript
thinkorswim supports a custom scripting language for building scans and studies. For traders who want custom IV scanners, options flow alerts, or conditional order logic beyond what standard orders support, thinkScript provides that capability without requiring a separate platform subscription.
Commission Comparison: Where Schwab Stands
| Broker | Open (per contract) | Close (per contract) | Cap |
|---|---|---|---|
| Charles Schwab | $0.65 | $0.65 | None |
| tastytrade | $1.00 | $0.00 | $10/leg |
| Interactive Brokers (Lite) | $0.65 | $0.65 | None |
For a trader running a closing-focused strategy (selling options and closing at 50% profit), Schwab’s $0.65 close cost adds up. In a hypothetical example: a trader closing 10 short contracts per week at $0.65 each pays $338/year in close-side commissions that tastytrade does not charge. That is a real number worth acknowledging.
On the other hand, Schwab matches IBKR Lite on per-contract rate, and for traders who frequently buy options (debit spreads, protective puts, LEAPS), the symmetrical $0.65 structure is straightforward.
What Schwab Does Not Do Well for Options Traders
- No free close: Closing short options at $0.05 or at 50% profit costs $0.65 per contract at Schwab. For a high-frequency premium seller, this is the clearest cost disadvantage versus tastytrade.
- Mobile app limitations: Complex multi-leg order entry on Schwab Mobile is cumbersome. The platform is adequate for monitoring and closing simple positions; it is not designed for entering iron condors or short strangles on the go.
- No 0DTE options on some underlyings: Schwab supports 0DTE on SPX and SPY, but some retail-level zero-day traders have reported friction with specific 0DTE order types. Check current capabilities if 0DTE is central to your strategy.
- No affiliate program: Unlike tastytrade and Interactive Brokers, Schwab does not have a public affiliate or referral program.
Who Should Choose Schwab
Schwab is a strong choice for options traders who fit one of these profiles:
- Power users of thinkorswim: If you actively use thinkBack for backtesting, build custom thinkScript scans, or rely on thinkorswim’s options chain layout, you are already on the right platform. The merger did not break what you depend on.
- Traders who want banking and brokerage in one place: Schwab’s banking integration (checking account, competitive sweep rates, ATM fee reimbursement) matters for traders who want to keep their full financial picture at one institution. If you have $50,000 in cash collateral earning a competitive yield while waiting to deploy it in short puts, the cash management side of Schwab is a real advantage.
- Equity and options traders combined: Schwab’s research tools (Morningstar ratings, equity analyst reports, screeners) are significantly better than tastytrade’s for traders who analyze individual stocks before selling options on them.
- Former TD Ameritrade users: The migration is done. If you stayed through the transition, the platform you know is substantially intact.
Schwab is a harder choice for:
- Pure-play premium sellers who prioritize workflow speed and free closes. See our tastytrade review and tastytrade vs Interactive Brokers comparison for those use cases.
- Traders in the $110,000-$174,999 range who want portfolio margin access. Interactive Brokers’ $110,000 PM threshold is lower than the industry standard; check current terms for Schwab’s PM requirements.
Bottom Line
Schwab’s acquisition of TD Ameritrade produced the most capable retail options platform at the lowest all-in cost for most retail traders. thinkorswim’s analytical depth (thinkBack, chain customization, strategy analysis) is genuine and not matched by most competitors at $0.65/contract. The trade-off versus tastytrade is real: closing costs $0.65 per contract instead of nothing, and the seller-focused workflow is not as streamlined. The trade-off versus IBKR is real: lower margin rates and portfolio margin access at a lower threshold favor IBKR for larger, actively margined accounts.
Open a Schwab account: Charles Schwab
For pure-play premium selling: tastytrade
For portfolio margin at a lower threshold: Interactive Brokers
Frequently Asked Questions
Q: Did thinkorswim change after the Schwab merger?
A: The core platform functionality survived the migration largely intact. The name changed to “thinkorswim by Schwab.” The options chain, thinkBack, thinkScript, and strategy analysis tools are all operational. The mobile experience shifted from thinkorswim Mobile to Schwab Mobile, which has less options functionality.
Q: What does Schwab charge for options trading?
A: $0.65 per contract to both open and close options. Stock trades are $0. There is no cap per leg and no free-close structure (verified as of 2026-03-28).
Q: Is thinkorswim better than tastytrade for options?
A: They excel at different things. thinkorswim is superior for research depth: thinkBack backtesting, IV column customization, and strategy analysis tools. tastytrade is superior for premium-seller workflow: one-click rolls, a cleaner interface for high-frequency strategy entry and management, and zero closing commissions. The best choice depends on how you actually trade.
Q: Can I trade 0DTE options at Schwab?
A: Yes, Schwab supports 0DTE options trading on SPX and SPY. Check current platform documentation for the full list of eligible underlyings and any order type restrictions.
Q: Does Schwab have an affiliate or referral program?
A: Schwab does not have a public affiliate program as of this writing. There are no tracking links or referral bonuses available for third-party publishers.