ApxUSD stablecoin drops to 90 cents as Bitcoin collateral falters

Collateral Correlation Exposed

ApxUSD is collateralized by preferred shares of Digital Asset Treasury companies, specifically STRC shares. These preferred shares are correlated with Bitcoin's price. When Bitcoin moves, the collateral moves with it—and a stablecoin backed by Bitcoin-correlated assets inherits that correlation at the worst possible moments.

As of March 2026, Apyx Finance held approximately 288,888 STRC shares valued at around $29 million. The stablecoin itself has a circulating supply between $415 million and $476 million. That gap between collateral value and circulating supply matters. The protocol maintains an over-collateralization ratio exceeding 100%, meaning there's theoretically more value backing each token than its nominal $1.00 peg. But collateral quality is everything.

Why This Happened

The culprit was a decline in STRC preferred shares, the very asset propping up the token's value. The depeg happened as Bitcoin slid below $63,000, pulling down the valuations of Bitcoin-adjacent equities including Digital Asset Treasury companies whose preferred shares back apxUSD.

This isn't the first time. STRC preferred shares have dipped below par value on four previous occasions since August 2025, and each time recovered. The pattern suggests volatility is baked into the design—a feature Apyx Finance accepts as a trade-off for offering dividend-backed stability.

The Mechanics Hold

Apyx Finance itself characterized the June 4 depeg as an expected occurrence rather than a failure of the model. The protocol's safeguards remained intact. No widespread liquidations occurred in linked lending markets, which suggests the broader ecosystem absorbed the shock without contagion.

Redemptions of apxUSD are processed in USDC, not in the underlying STRC shares themselves. That design choice insulates the collateral from mass redemption runs. Minting new apxUSD is restricted to authorized participants, which prevents uncontrolled supply expansion during volatility. Apyx also offers a companion token called apyUSD, designed to accrue yield from the dividends generated by the collateral. That yield generation is the stablecoin's core value proposition—and it depends entirely on dividend disbursements from the underlying DAT companies.

The June 4 slip illustrates a hard truth: stablecoins backed by volatile collateral inherit that volatility. ApxUSD's design is transparent about the trade-off—dividend yield in exchange for correlation risk. Whether that's acceptable depends on your appetite for depeg events and your confidence in the underlying Bitcoin treasury companies.