Topstep Adds CPI Trading Restrictions: Minis Blocked, Micros Capped

The practical answer: Topstep will stop traders from opening new equity-index mini positions and sharply cap new micro positions for a 10-minute window around CPI releases. The first announced window is Wednesday, August 12, 2026, from 7:25 to 7:35 a.m. Central Time, surrounding the 7:30 a.m. CPI release. Topstep says existing positions may remain open, non-equity products are unaffected, and normal limits return after the window.

This is not a new account-failure condition alongside the Maximum Loss Limit. It is a platform-enforced restriction on what active Trading Combine and Express Funded Account traders can open. That distinction lets Topstep continue describing its Maximum Loss Limit as the program's “one rule,” but it does not make the change trivial. A customer who bought an account with one set of available trading parameters now has less access during a market event that many index traders deliberately trade.

Watch: Topstep's CPI rule change explained

The exact CPI restriction

Topstep's current high-volatility risk page says the CPI measure applies to new opening transactions on equity-index products in its simulated environment. The customer notice reviewed by ComparePropFirms names Trading Combines and Express Funded Accounts. It does not name Live Funded Accounts.

Topstep publishes the following micro limits for new opening transactions:

The public page contains one detail traders should not guess about: its written CPI limits name one micro for a 25K account, while the table on the same page labels the 25K effect “Fully blocked from trading.” That wording is internally inconsistent. A 25K trader should treat the platform banner or a written support answer as controlling for the August 12 window and save it before trading.

The Bureau of Labor Statistics calendar confirms that the July 2026 Consumer Price Index release is scheduled for August 12 at 8:30 a.m. Eastern, which is 7:30 a.m. Central.

What changed from Topstep's previous public position

Topstep's older economic releases guidance, dated June 17, 2026, says traders are not required to flatten positions during economic releases in simulated or funded accounts. It recommends cutting size, using limit orders, or avoiding the event, and places responsibility for slippage and results on the trader.

The new CPI policy does not reverse the no-flattening statement: Topstep still says an existing position may be held through the window. The meaningful change is elsewhere. Risk reduction is no longer only advice for equity-index entries around CPI. Topstep will now enforce mini blocks and micro caps at the platform level.

Topstep had already reserved this general mechanism. Its high-volatility page, first published in June, says the firm may temporarily tighten position limits during extreme volatility and can use micro limits or mini restrictions. The August update turns that broad authority into a repeatable CPI-specific window with account-size limits.

So the accurate before-and-after is:

• Before: Topstep publicly encouraged traders to manage economic-release risk themselves and broadly reserved the right to reduce limits during extreme volatility.
• Now: Topstep has defined a CPI window in which the platform will reject new equity-index mini entries and constrain micro entries.

That is a real operating-rule change even if it is not a second pass/fail rule.

Why this clashes with Topstep's “one rule” message

Topstep's Trading Combine parameters describe the program as having “one rule and two objectives.” The one rule is the Maximum Loss Limit. Its current marketing tells traders to meet the targets and not break the one rule. A March 2026 Topstep guide goes further: “One step, one rule. We don't move the goalposts.”

The narrow defense is straightforward. The CPI restriction does not create another rule that automatically fails the account. It changes order-entry permissions for a short period. Under that definition, Maximum Loss Limit can remain the only pass/fail “rule.”

But that definition is too narrow to answer the customer concern. Traders do not experience a product only through its failure conditions. They also experience which contracts they can trade, at what size, and when. If a firm blocks a strategy's normal instruments during a scheduled event after accounts have been purchased, the usable product has changed—even if no new breach label appears in the dashboard.

The strongest criticism is therefore not that Topstep secretly added a second failure rule. It is that “we don't move the goalposts” suggests stable operating conditions more broadly than Topstep is now providing. For an NQ or ES news trader, a platform-enforced opening block is not a wording technicality. It removes the very trade the account may have been purchased to take.

Topstep's Terms of Use give the company broad contractual room to make the change. They say Trading Rules are subject to change in Topstep's sole discretion and that account parameters may be adjusted from time to time, including without notice. The customer notice and public Help Center update provide notice here. Contractual authority, however, does not resolve the marketing-transparency issue. “We may change parameters” and “we don't move the goalposts” create materially different expectations for a buyer.

What the restriction means in practice

Consider a 50K Trading Combine trader who normally opens two NQ contracts during CPI. During the August 12 window, the NQ order should be rejected because it is a new mini opening transaction. Switching to MNQ does not preserve equivalent exposure: the published 50K limit is three micros, far below the normal 50-mini-or-micro ceiling listed for a 50K Trading Combine.

A 50K Express Funded Account is tighter still. Topstep's public table lists one micro for the XFA rather than three. Traders should not assume all 50K accounts receive the same CPI limit.

The restriction also does not require a trader to flatten at 7:25. If an ES, NQ, MES, or MNQ position is already open, Topstep says it may remain open through the window. This creates an important difference between holding risk and initiating risk: Topstep is limiting new exposure, not ordering a universal exit.

Four order-handling questions Topstep still needs to answer

The public notice establishes the product list, time window, and headline limits. It does not fully explain how several common order states will be treated:

1. Working entries: If a stop or limit entry is submitted before 7:25 but triggers during the window, is it rejected, canceled, or treated as pre-existing?
2. Adding to a position: Does increasing an existing long or short count as a new opening transaction, and is only the added quantity blocked?
3. Reversals: If one order closes a position and opens the opposite side, how does the platform separate the closing quantity from the new opening quantity?
4. Bracket exits: Profit targets and protective stops reduce or close existing exposure, so they should not be opening transactions. Topstep should confirm that those protective orders remain fully functional.

These are operational questions, not grounds for speculation. Until Topstep publishes answers, traders should avoid relying on an assumed platform behavior during the five minutes before and after CPI.

What to do before August 12

1. Identify the account stage. Confirm whether the account is a Trading Combine, Express Funded Account, or Live Funded Account. Do not transfer the SIM restriction to Live without a Live-specific notice.
2. Match the contract. The restriction names ES, RTY, YM, NQ, and NKD families. Non-equity futures are outside this specific CPI policy.
3. Check the displayed limit. Save the dashboard banner or platform message showing the limit for that exact account, especially for 25K and 50K XFA accounts.
4. Review working entries before 7:25 a.m. CT. Cancel or obtain a support answer for any entry order that could trigger during the window.
5. Do not rely on minis opening. New ES, RTY, YM, and NQ mini entries are blocked during the 10 minutes.
6. Size micros to the temporary cap. A standard 50K account is listed at three micros, while a 50K XFA is listed at one.
7. Keep evidence. Save the notice, account identifier, order ID, exact timestamp, screenshot, and any rejection message. Our platform incident evidence guide lists the record to preserve before contacting support.

The bottom line

Topstep can reasonably say the Maximum Loss Limit remains its only account-failure rule. It cannot reasonably present the CPI restriction as if nothing about the product changed. For Trading Combine and Express Funded Account traders, Topstep is now deciding when new equity-index exposure may be opened and how much micro exposure is available.

The restriction is narrow—10 minutes, CPI only, equity indexes only—and Topstep says existing positions and non-equity products are unaffected. But the principle is broader. A prop firm that markets simplicity and says it does not move goalposts should state clearly, before purchase, that scheduled news events may trigger enforced product and size limits.

Prospective customers should read the current Topstep review alongside the primary sources, and active NQ/MNQ traders can compare other plan structures in our NQ and MNQ futures prop-firm guide. The immediate priority is simpler: verify the limit shown for your exact account before 7:25 a.m. Central on August 12.

Official sources and verification

• Topstep high-risk/high-volatility adjustments — checked August 7, 2026; CPI window, products, mini block, micro limits, existing-position treatment, and notification method.
• Topstep economic releases — checked August 7, 2026; prior public guidance on holding positions and managing release risk.
• Topstep Trading Combine parameters — checked August 7, 2026; “one rule” framing and normal maximum position sizes.
• Topstep prop trading page — checked August 7, 2026; current “one rule” marketing.
• Topstep guide to getting funded — checked August 7, 2026; March 2026 “we don't move the goalposts” statement.
• Topstep Terms of Use — checked August 7, 2026; provisions allowing Trading Rule and account-parameter changes.
• BLS August 2026 release schedule — checked August 7, 2026; August 12 CPI release at 8:30 a.m. Eastern.
• Topstep customer notice supplied to ComparePropFirms — reviewed August 7, 2026; confirms Trading Combine and Express Funded Account scope, 7:25–7:35 a.m. CT window, and customer-facing limits. Not reproduced because the screenshot contains personal information.