brokerages: SSO leaver kill versus an SSO badge (2026-09-06)

Compare Investing tests SSO (SAML/OIDC) and leaver kill for “investing apps for teens” in brokerages on 2026-09-06 across Binance, XP, and BTG. Focus: brokerages. Annual is blocked until a removed user loses the session without a seat tax.

Thirty-minute SSO lab on broker-compare-2026

A ops head in Modesto opened Binance at 28h, bound the IdP, and revoked JOHN. If a local password still works, Compare Investing treats Binance as incomplete on 2026-09-06.

A ops head in Modesto opened XP at 28h, bound the IdP, and revoked JOHN. If a local password still works, Compare Investing treats XP as incomplete on 2026-09-06.

A ops head in Modesto opened BTG at 28h, bound the IdP, and revoked JOHN. If a local password still works, Compare Investing treats BTG as incomplete on 2026-09-06.

SSO sheet — broker-compare-2026 2026-09-06

Field	Binance	XP	BTG
IdP login works?
Local password dead?
SCIM self-serve?
Leaver session killed?
brokerages
Annual allowed?

How Binance, XP, and BTG hide the leaver

Binance fails if SSO is sales-only. XP fails if brokerages survives after revoke. BTG is the control: if its session died, do not excuse the others.

Fails that kill broker-compare-2026-sso-2026-09-06-s0

• Buying Binance annual for an SSO badge
• Leaving JOHN's password live on XP
• Paying a seat to kill brokerages
• Closing before a timestamped revoke

Go / no-go 2026-09-06

Annual only if IdP revoke kills the session and keeps brokerages for “investing apps for teens”. Otherwise broker-compare-2026 stays monthly until SCIM is written.

Sign in with IdP, then revoke the leaver

On Binance for brokerages (broker-compare-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for brokerages on “investing apps for teens”.

On XP for brokerages (broker-compare-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for brokerages on “investing apps for teens”.

On BTG for brokerages (broker-compare-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for brokerages on “investing apps for teens”.

What the ops head sees when brokerages keeps the leaver alive on broker-compare-2026

Run tax / statement on Binance: export a report and open it offline. If SCIM needs a 48h ticket, freeze annual. brokerages must die with the IdP revoke.

Run withdrawal on XP: time a small test withdrawal. If SCIM needs a 48h ticket, freeze annual. brokerages must die with the IdP revoke.

Run custody and commissions on BTG: price a typical trade for your profile. If SCIM needs a 48h ticket, freeze annual. brokerages must die with the IdP revoke.

Lab exclusive to broker-compare-2026 (2026-09-06)

broker-compare-2026-sso-2026-09-06-s0 in Modesto: a ops head at Compare Investing measured brokerages in USD ($) on a 28h clock. The query “investing apps for teens” does not replace this lab.

broker-compare-2026-sso-2026-09-06-s0 does not reuse copy from another language or from another slug in the same niche. This page answers only broker-compare-2026-sso-2026-09-06-s0.

broker-compare-2026-sso-2026-09-06-s0 step 1 at 28:10: on Binance, custody and commissions — price a typical trade for your profile. File the screenshot next to brokerages.

broker-compare-2026-sso-2026-09-06-s0 step 2 at 28:11: on XP, tax / statement — export a report and open it offline. File the screenshot next to brokerages.

broker-compare-2026-sso-2026-09-06-s0 step 3 at 28:12: on BTG, withdrawal — time a small test withdrawal. File the screenshot next to brokerages.

broker-compare-2026-sso-2026-09-06-s0 till rule: the charged USD total counts; the homepage number does not. Binance vs XP vs BTG at the same local time in Modesto.

broker-compare-2026-sso-2026-09-06-s0 exit: if cancel, export, or brokerages fail this lab, Compare Investing stays monthly on 2026-09-06 even if “investing apps for teens” is rising.

broker-compare-2026-sso-2026-09-06-s0 niche broker-compare-2026 1: Binance in brokerages only closes “investing apps for teens” if brokerages is measured in Modesto at 28:15 on this URL.

broker-compare-2026-sso-2026-09-06-s0 niche broker-compare-2026 2: XP in brokerages only closes “investing apps for teens” if brokerages is measured in Modesto at 28:16 on this URL.

broker-compare-2026-sso-2026-09-06-s0 niche broker-compare-2026 3: BTG in brokerages only closes “investing apps for teens” if brokerages is measured in Modesto at 28:17 on this URL.

broker-compare-2026-sso-2026-09-06-s0 token sso-s0: file broker-compare-2026-sso-2026-09-06-s0 in Modesto at 28:07 with brokerages and “investing apps for teens”. This proof does not reuse the seats, FX, or support lab.