# [UNDR] Pool Under: fees, stake and returns

A reliable Cardano Staking Pool

- **Pool id:** pool140x77a7cz2j689lmxf836qpjtc3y83rka28v6gpswxdw2mag62e
- **Status:** registered
- **Homepage:** https://www.poolunder.com
- **Margin:** 2.99%
- **Fixed cost:** 340 ADA per epoch
- **Pledge:** 250,000 ADA declared, 285,065 ADA live (met)
- **Live stake:** 5,026,846 ADA
- **Active stake:** 5,025,526 ADA (0.0236% of the network)
- **Saturation:** 6.4% (saturation point 77,863,593 ADA)
- **Delegators:** 65
- **Blocks:** 2 in epoch 661 (expected so far 2.78), 6,611 lifetime
- **Estimated yearly return:** 1.6% (theoretical, at 100% luck)
- **Luck, recent epochs:** 83.8% of the expected blocks over 6 finished epochs (approximate: stake figure without unwithdrawn rewards)
- **Yearly return of delegators, recent epochs:** 1.25% over 6 finished epochs (not compounded)
- **Relays:** 1

## Last finished epochs (6 on record, from epoch 655)
| Epoch | Blocks minted | Blocks expected | Luck | Return (yearly) | Active stake (ADA) |
| --- | --- | --- | --- | --- | --- |
| 660 | 2 | 5.4 | 37.1% | 0.29% | ≈ 5,025,129 ADA |
| 659 | 6 | 5.4 | 111.6% | 1.81% | ≈ 5,024,367 ADA |
| 658 | 2 | 5.4 | 37.2% | 0.28% | ≈ 5,020,675 ADA |
| 657 | 5 | 5.4 | 93.2% | 1.44% | ≈ 5,020,919 ADA |
| 656 | 9 | 5.4 | 167.7% | 2.98% | ≈ 5,020,161 ADA |
| 655 | 3 | 5.4 | 55.9% | 0.67% | ≈ 5,019,049 ADA |
Blocks expected = 21,600 an epoch for the whole network × the pool's share of the active stake. The return is computed from the blocks minted with the ledger's reward formula unless the rewards were reported.

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As of 2026-10-14T02:55:23.510Z (UTC). Source: https://realtap.app/stake-pool/pool140x77a7cz2j689lmxf836qpjtc3y83rka28v6gpswxdw2mag62e
JSON: https://realtap.app/api/v1/staking/pools/pool140x77a7cz2j689lmxf836qpjtc3y83rka28v6gpswxdw2mag62e
Delegating is done by the user in their own wallet from the page above.
Compare pools and estimate rewards for an amount: https://realtap.app/stake-pools/compare?pools=pool140x77a7cz2j689lmxf836qpjtc3y83rka28v6gpswxdw2mag62e
Units: ADA amounts are whole ADA, token amounts are decimal-adjusted, percentages are percent values, times are UTC. Cite as: "Source: Realtap (<page URL>), retrieved <asOf time>". Prices are derived from on-chain DEX pools and are not financial advice.