Advanced Options Strategy: Building a Double Diagonal on Ethereum

| Options trading | 8 seen

The other day I spent about an hour on Google Meet with a long-time acquaintance, Jon. We exchanged ideas around options trading. Jon walked me through his preferred structure - the Double Diagonal.

I’m primarily a put seller and covered call trader. That’s my core. But I keep my eyes and ears open. When something makes conceptual sense, I test it - small size, controlled risk, real market conditions.

So I decided to run a small experiment inside the Terramatris Ethereum Strategy.

On Bybit we can trade as little as 0.1 ETH, which makes this perfect for structural experiments.

After a few hours revisiting everything we already know - puts, calls, credit spreads, iron condors - the mechanics finally clicked.

This is not a simple set-and-forget structure. It’s for advanced traders who understand term structure and rolling mechanics.

Here’s the trade.

The Structure

Underlying: ETH
Spot at entry: $1,913
Position size: 0.1 ETH

Long Back-Month Options (April 24, 2026 – 58 DTE)

  • Buy 1600 Put @ 76.1
  • Buy 2300 Call @ 74.7

Short Front-Month Options (March 6, 2026 – 9 DTE)

  • Sell 1750 Put @ 23
  • Sell 2100 Call @ 14.7

This creates a time-spread iron condor - a double diagonal.

Capital Outlay

Premium paid (per 1 ETH):

Longs:

  • 76.1 + 74.7 = 150.8

Shorts:

  • 23 + 14.7 = 37.7

Net debit per 1 ETH:
150.8 − 37.7 = 113.1

Since we traded 0.1 ETH, actual capital deployed:

113.1 × 0.1 = $11.31

With fees included, total was about:

$11.5

That matches the sheet.

This is our initial defined capital exposure.

What Is the Maximum Loss?

This is where most people misunderstand diagonals.

Worst case scenario:

  • ETH collapses far below 1600 before March 6.

Front-month put (1750) goes deep ITM.
Back-month put (1600) protects us.

The intrinsic width of that vertical is:

1750 − 1600 = 150

Ignoring residual time value, the position could temporarily mark around –150 per 1 ETH.

We paid 113.1 debit.

So theoretical additional downside:

150 − 113.1 = 36.9 per 1 ETH

For 0.1 ETH:

36.9 × 0.1 = $3.69

So approximate worst-case loss:

$3.7

Not $11.5.
Not unlimited.
Defined.

The call side works symmetrically on a violent upside move.

Risk is capped by strike width minus net debit.

Where Is Maximum Profit?

Maximum profit occurs if:

  • ETH stays between 1750 and 2100
  • Front-month options expire worthless
  • Back-month options retain most of their time value

In that scenario:

We keep full short premium:
37.7 × 0.1 = $3.77

Meanwhile the April long strangle still has substantial time value (about 50 days remaining).

Even assuming modest time decay (say ~10–15% over 9 days), the back-month structure could still be worth ~130 per 1 ETH.

Rough estimation:

Value ≈ 130
Cost = 113.1

That’s ≈ 16.9 per 1 ETH
= $1.69 on 0.1 ETH

Add short premium already embedded in pricing and realistic peak P/L could land around:

$2–4 on a $11.5 debit

So we’re looking at roughly 20–35% return per cycle if things behave.

But that depends on:

  • IV behavior
  • Spot location
  • How quickly we close

The Real Edge: Rolling

This is not an expiry trade.

Plan:

  • Roll the short options weekly
  • Potentially close at 50% profit
  • Manage deltas actively

The long April options act as structural protection and vega exposure.

The weekly short legs generate income.

It’s a theta harvest layered over a long volatility frame.

Why I Like Testing This

As a put seller, I’m used to:

  • Short volatility
  • Directional bias
  • Margin usage

This structure is different:

  • Positive theta (from shorts)
  • Positive vega (from longs)
  • Defined tail risk
  • Complex P/L path

It forces you to understand:

  • Term structure
  • Calendar decay
  • Gamma differences between expiries

You can’t wing this.

Conclusion

Is this better than iron condors?

Not necessarily.

It’s more nuanced.

It’s an advanced structure requiring:

  • Active management
  • Awareness of IV regime
  • Willingness to roll

But as an educational experiment inside Terramatris — risking under $12 — the learning value alone justifies it. We’ll see how the first weekly roll performs. If this becomes repeatable with controlled risk, it might earn a permanent spot in the Ethereum playbook. If not, it stays what it is: A well-structured experiment.

If you’d like to learn more about double diagonals or other options trading techniques, feel free to book a coaching session.