Silo Finance lists 80+ isolated lending pools across Q1 2026. Aave V3 lists ~25 collateral assets. The gap is intentional. Aave V3 won't accept ARB, OP, INJ, JUP, or most mid-cap altcoins as borrowable collateral because cross-collateral cascade risk in a monolithic pool is too dangerous. Silo accepts them all because each pool is fully isolated — if INJ collateral causes a pool to fail, only that pool fails.
For a stablecoin lender willing to lend into altcoin-collateralized pools, that means 6-12% APY on USDC supply versus 4.4-5.6% on Aave V3. For someone holding mid-cap altcoins who wants to borrow against them without selling, Silo is one of the only options that exists.
The catch is real liquidation risk. Mid-cap altcoin pools liquidate at 1.2-2.4% rates per quarter (vs 0.4-0.8% on Aave V3 stable pools). Long-tail altcoin pools hit 2.8-4.6%. So the yield premium isn't free — it's risk-adjusted compensation. Below is what the actual pool-by-pool yields look like and how I think about which pools to actually use.
The Q1 2026 TVL Distribution
Silo Q1 2026 TVL of ~$480M, broken out:
| Segment | Approx TVL | Notes |
|---|---|---|
| ETH-anchored pools (ETH borrow) | $180M | Standard collateral, lower yields |
| Stablecoin pools (USDC borrow) | $220M | Most active, biggest yield range |
| Cross-chain (Arbitrum, Optimism, Base) | $80M | Smaller L2 footprint than Aave |
The 80+ separate pools is the structural feature. Aave V3 has roughly 6-8 markets across all chains. Silo has the breadth that comes from accepting almost any token as collateral, with the isolation discipline that prevents one bad market from breaking others.
The Yield Distribution by Risk Tier
USDC supply yields by what's posted as collateral on the borrow side:
| Pool tier | Q1 2026 USDC yield | Realized liquidation rate |
|---|---|---|
| Standard ETH collateral pool | 4.8-6.2% | 0.4-0.8% (similar to Aave V3) |
| Mid-cap altcoin (ARB, OP, INJ, JUP) | 6-12% | 1.2-2.4% |
| Long-tail altcoin pools | 10-25% | 2.8-4.6% |
The yield premium scales with liquidation risk roughly linearly. Lending against ETH gives you Aave-comparable yields. Lending against mid-cap altcoins gives you a 1-7 point premium for accepting 2-3x liquidation risk. Long-tail altcoins go higher but the realized risk-adjusted return often gets eaten by liquidation losses during volatile periods.
The thing is — when liquidations happen, *you don't lose money as a lender*. The protocol liquidates the borrower's collateral to repay your loan plus liquidation bonus. You earn through the liquidation event because the bonus goes to liquidators (some of whom are vault-integrated lender positions). What you can lose is auction-related slippage during stressed liquidation windows on illiquid altcoin collateral. That's where realized lender returns can dip below headline APY.
ETH Lend Yields and the Use Case
The ETH lending side is smaller but worth understanding:
- Standard stablecoin-collateralized pools: 2.4-3.8% APY ETH yield
- Altcoin-collateralized pools: 3-8% APY ETH yield
This matters mostly for users running specific structures — like supplying ETH against altcoin collateral pools to capture both staking yield equivalent and lending yield. For most users, supplying ETH is better through Lido or EtherFi for the LST yield, then optionally using the LST as collateral elsewhere.
What Silo Solves That Aave Can't
The structural use case for Silo is altcoin collateralization. Examples I've used personally:
Borrowing against ARB without selling. I held a meaningful ARB position in late 2024 that I didn't want to sell (tax considerations, conviction on Arbitrum ecosystem). I posted it on Silo, borrowed USDC against it, deployed the USDC to a leveraged structure elsewhere. Aave V3 doesn't accept ARB as collateral so this wasn't possible there.
Mid-cap altcoin yield strategies. Posting JUP or INJ as collateral, borrowing stables, deploying to higher-yield positioning. The leverage isn't huge (LLTVs on these collateral types are modest, maybe 50-65%) but it's structurally valuable for users with altcoin positions they don't want to liquidate.
Risk-conscious lender positioning. Some users specifically don't want monolithic-pool cross-collateralization risk. Silo's isolated pools mean if one of your borrow markets has a problem, your other lending positions on Silo aren't affected. That risk profile attracts conservative institutional capital that wouldn't lend on Aave for cross-cascade reasons.
Where Silo Falls Short
Three structural limitations that matter for most users:
Fragmented liquidity. Each pool has independent liquidity. If you want to deploy $500K of stablecoin lending, you can't put it into one Silo pool — you'd have to split across multiple pools to avoid eating utilization that pushes rates aggressive. Operationally annoying for size.
Operational complexity. 80+ pools means 80+ different rate curves, parameters, and risk profiles to monitor. Most users only need 2-3 pools but understanding which 2-3 is non-trivial. Aave V3's monolithic structure is easier to evaluate.
Slower L2 expansion. Silo's L2 deployments are smaller than Aave's. If you're operating primarily on Arbitrum or Base, Silo's local liquidity is thin compared to Aave V3 there.
For most retail DeFi users, these limitations mean Silo is a niche tool, not a primary platform. The exception: if you specifically need to borrow against altcoin collateral, Silo is one of the few realistic options.
How I Use Silo
For my DeFi lending allocation, Silo gets ~5-8% of stablecoin supply, distributed across:
- ARB-collateralized USDC pool (~3% of stablecoin allocation)
- ETH/stETH-collateralized pools (~2-3%)
- Selected mid-cap altcoin pools (~1-2%, rotating based on opportunity)
For borrowing, I use Silo when I have specific altcoin collateral I want to leverage without selling. Otherwise I default to Aave V3 (multi-asset flexibility) or Spark Protocol (high LLTV on wstETH).
The 5-8% Silo allocation produces realized yields of ~7-9% APY on average across my Silo positions, which is meaningful contribution to total stablecoin yield even at small position size.
The Pool Selection Heuristic
If you're picking which Silo pools to actually lend into:
Always lend into ETH or stETH-collateralized pools first. Lower yield (4.8-6.2%) but liquidation risk profile is similar to Aave V3, so it's basically Aave V3 yields with isolated-pool architecture for risk-conscious users.
Mid-cap altcoin pools (ARB, OP, INJ, JUP, AAVE-collateralized) make sense at 7-9% USDC yield. Liquidation rate ~1.5-2% per quarter is bounded enough that the premium is risk-adjusted positive over Aave V3.
Avoid long-tail altcoin pools unless you have specific conviction. Yields look attractive (15-25%) but liquidation rates of 3-5% per quarter eat the premium. The risk-adjusted return is often worse than mid-cap pools.
Never participate in pools where the borrow asset is also illiquid. Some Silo pools pair illiquid collateral with illiquid borrow assets — those pools have correlated liquidation risk that's hard to model.
Forward Trajectory
Silo TVL has been growing roughly 70% YoY into Q1 2026. If that pace holds, end-2026 TVL lands around $700-900M. That's still a niche scale relative to Aave V3 (~$15B) and Morpho Blue (~$5B), but it represents structural adoption for the altcoin collateral use case.
The structural ceiling for Silo is probably a few billion in TVL — enough to be a real platform, not enough to displace monolithic alternatives for general-purpose lending. The architecture is right for what it does, but what it does is bounded.
Caveats
The 80+ pool count is from Silo's protocol dashboard at end of Q1 2026; new pools get added regularly so the count moves. The yield numbers are from Silo's published APY display and DeFi Llama aggregations. The realized liquidation rate ranges (0.4-4.6% across pool tiers) are from Silo subgraph data; my own positions experienced ~2% rate on mid-cap pools during Q1 2026 which is in the middle of that range. The "yield premium = risk premium" framing is approximation — actual risk-adjusted returns depend heavily on which specific pool, what time window, and how stressed market conditions get. None of this is financial advice — DeFi lending against altcoin collateral has real liquidation risk and you should size positions to absorb cascade events.