Surf Air Mobility Inc. (SRFM) — Defensive Interval Ratio

Latest as of March 2026: 10 days

Surf Air Mobility Inc. (SRFM) has a Defensive Interval Ratio of 10 days as of March 2026. Defensive assets of $3.71 Million (cash $-, short-term investments $-, receivables $3.71 Million) cover 10 days of daily cash needs of $364.18K/day.

Defensive Interval Ratio

10 days
Days of operational coverage

Defensive Assets

$3.71 Million
Cash + ST Investments + Receivables

Daily Cash Need

$364.18K
Current Liabilities ÷ 365

Current Liabilities

$132.93 Million
USD

Surf Air Mobility Inc. Defensive Interval Ratio (2020–2025)

This chart shows how Surf Air Mobility Inc.'s Defensive Interval Ratio has evolved across 6 annual periods from 2020 to 2025. As of March 2026, the ratio stands at 10 days, meaning defensive assets of $3.71 Million can fund 10 days of operations without new revenue. For the complete balance sheet picture, see SRFM asset base.

Annual Defensive Interval Ratio for Surf Air Mobility Inc. (2020–2025)

The table below presents the year-by-year Defensive Interval Ratio for Surf Air Mobility Inc. from 2020 to 2025, covering 6 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. See Surf Air Mobility Inc. (SRFM) working capital ratio to evaluate short-term liquidity relative to the company's equity base.

Year DIR (days) Defensive Assets (USD) Daily Cash Need Cash ST Investments Change (days)
2025 15 days $3.93 Million $261.15K/day $- $- ▼ -2 days
2024 17 days $4.26 Million $245.51K/day $- $- ▲ +4 days
2023 13 days $4.96 Million $383.87K/day $- $- ▲ +12 days
2022 1 days $161.00K $157.25K/day $- $- ▲ +1 days
2021 0 days $15.00K $152.26K/day $- $- ▼ -1 days
2020 1 days $161.00K $119.38K/day $- $-
DIR = (Cash + Short-term Investments + Net Receivables) / (Daily Cash Expenses)