« blog 2024-12-23

“Mystery Box” Economics

Robinhood announced a new “Mystery Box” points redemption feature to Gold [credit] Card customers today. Launching a loot crate minigame for consumer debt is an odd move — Robinhood, after all, spent the last few years insisting it’s an accessible but responsible consumer financial services company (c.f. their debit and retirement products) and not a gambling app for candy-crushing your life’s savings away into short-call options. Between their recent event contracts experiment and Vlad’s chatter about sports betting, they seem lately less afraid of the casino comparison.

A “Mystery Box” costs 1, 000 points. The result of about $333 in spend, 1, 000 points have a $10 value in cash-back redemption.1 Each Box yields a reward in one of three forms:

  1. A fixed number of points — greater than the 1, 000 spent.
  2. An elevated cash-back rate for all spend over some time period (24 hours, one week, or 30 days).
  3. An elevated cash-back rate on your next purchase, either generally or in a certain category (e.g. “groceries,” “restaurants,” “automotive refuel”).

Importantly, the 2nd and 3rd reward forms — boosted cashback rates — do not stack on the standard 3% cash-back rate offered by the card. You should think of the reward as just the marginal increase over 3%: a 4% elevated rate only nets you 1% additional cash-back.

When does it make sense to buy a “Mystery Box” instead of redeeming to cash in a Brokerage account? The expected value depends on how you expect to spend after buying it. If you have specific plans — e.g. a large single purchase you need to make on Amazon — the expected value may exceed the $10 price tag.

I am not a financial advisor and this is not financial advice. These reward definitions are from the Robinhood Gold Card Rewards Program Rules as of December 23, 2024 March 31, 2026; they may change.2

Reward Expected spend Reward value Probability Expected value
100,000 points ⎯ $1,000.00 0.001% $0.01
10,000 points ⎯ $100.00 0.20% $0.20
7,500 points ⎯ $75.00 0.30% $0.23
5,000 points ⎯ $50.00 0.50% $0.25
2,500 points ⎯ $25.00 1.00% $0.25
1,500 points ⎯ $15.00 1.50% $0.22
1,250 points ⎯ $12.50 2.00% $0.25
10% cashback on next grocery purchase $100 5.00%
5% cashback on next grocery purchase $100 8.00%
10% cashback on next automotive refuel $50 2.00%
5% cashback for 30 days $3000 0.25%
5% cashback for 1 week $500 2.00%
10% cashback for 24 hours $250 0.50%
5% cashback for 24 hours $250 6.00%
4% cashback for 24 hours $250 17.00%
15% cashback on your next purchase $100 3.00%
10% cashback on next mobile wallet purchase $100 4.00%
15% cashback on next restaurant order $100 5.00%
10% cashback on next restaurant order $100 25.749%
5% cashback on next restaurant order $100 16.00%
"Mystery Box" cost $10.00
Total "Mystery Box" expected value

The ranges on these sliders are capped to the spend limits stated in the reward terms, even if those limits seem unrealistic.

  1. “Reward value” assumes the points are to be redeemed “for Cash Back in Robinhood Brokerage Cash Account” (see definition in the Terms). At time of writing, this redemption rate is $0.01 per point. Points redeemed in the Travel and Shop portals, or redeemed for gift card value, are redeemed at the same rate. Points redeemed for statement credit or special items (e.g. metal card upgrades) have a less-than-$0.01 value.↩︎

  2. See the previous calculator for the original December 2024 rewards.↩︎