The endowment effect, well-documented broadly within behavioural economics beyond trading specifically, describes how people tend to value something more highly once they own it, compared to how they'd value the identical thing before ownership, a kind of psychological attachment that develops simply through the fact of possession itself, independent of any change in the thing's genuine, objective characteristics.
It's worth recognising this as a genuinely well-documented pattern from behavioural economics research generally, not unique to trading, people across many contexts consistently value things more highly once they've taken ownership of them, purely because of that ownership itself.
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Test your mobile backup before a real load shedding event
Discovering that your mobile app does not work during a live outage with open positions is a costly lesson. Spend 5 minutes testing mobile access before going live.
✓
SA-specific: Test your mobile data backup connection with your broker's platform before a load shedding event. Know in advance that you can manage open positions from your phone.
2. How this manifests specifically with open positions
In trading, this can manifest as developing an irrational attachment to a specific open position, making it harder to objectively assess whether continuing to hold it genuinely makes sense given current market conditions, compared to how you might assess the identical situation if you were instead considering opening this same position fresh, without any existing ownership attachment already in place.
It's worth checking your own reasoning honestly whenever you're reluctant to close a position, if you find yourself valuing your specific current position more than you would value an identical, hypothetical opportunity you didn't yet hold, that's the endowment effect operating.
Platform Security Checklist
Two-factor authentication enabled
Unique password not shared with other sites
Broker mobile app installed and tested
Mobile data backup connection tested
Price alerts set for active instruments
Broker emergency number saved in phone
Know how to close all positions in under 30 seconds
Pros
Desktop: full charting, multi-monitor, all order types
Mobile: real-time monitoring and load shedding backup
Mobile: price alerts when away from desk
Cons
Desktop: useless during load shedding without UPS
Mobile: limited charting for detailed analysis
Mobile: higher risk of fat-finger errors
Desktop platform
Full charting and analysis
Best for trade entry
Multi-monitor support
More order types available
Mobile app
Monitor and manage on the go
Load shedding backup use
Push price alerts
Limited charting tools
3. How this manifests with attachment to your own developed strategy
Beyond individual positions, traders can develop a similar attachment to a strategy they've personally developed and invested significant time in, making it psychologically harder to objectively recognise when accumulated evidence, genuinely suggests the strategy needs revision or abandonment, simply because of the personal investment already made in developing it.
It's worth applying the same rigorous evidence standard to your own developed strategies that you would to any external strategy, discussed elsewhere on this site regarding evaluating shared strategies, the fact that you personally created it shouldn't exempt it from honest, ongoing scrutiny.
MT4 vs MT5 for SA Traders
Feature
MT4
MT5
Broker availability
Very wide
Growing
EA library
Largest available
Smaller but growing
Timeframes
9 built-in
21 built-in
Asset classes
Forex and CFDs
Forex, CFDs, stocks
Mobile app
Good
More modern UI
DODON'T
Test mobile backup before going live with leveraged positions
Assume mobile will work until you actually need it
Enable two-factor authentication on your broker account
Use the same password as other online accounts
Set price alerts for key levels
Leave leveraged positions unprotected overnight without stops
4. The connection to loss aversion
The endowment effect relates closely to the loss aversion, since part of why we overvalue what we own connects to the disproportionate psychological weight loss aversion places on the prospect of giving up something already held, compared to the more modest psychological weight placed on never having acquired it in the first place.
It's worth appreciating how these related biases compound each other, the endowment effect makes you overvalue what you currently hold, while loss aversion makes losing it feel disproportionately painful, together creating a particularly strong pull toward maintaining the status quo.
5. Practical techniques for countering this bias
A useful technique involves explicitly asking yourself: "if I didn't currently hold this position, would I open it fresh right now given current conditions?", if the honest answer is no, this suggests the endowment effect may be inflating your attachment to the existing position beyond what genuinely objective analysis would support, similar to the devil's advocate technique.
It's worth practising this reframe explicitly, asking yourself 'would I open this exact position or use this exact strategy today, starting completely fresh' cuts through the ownership-driven attachment that the endowment effect otherwise creates.
Choosing a trading platform involves balancing familiarity, charting capability, execution reliability, and the availability of features relevant to your specific strategy. South African traders should also verify that their platform of choice remains accessible during load shedding through mobile apps and that it supports the instruments and order types they need. Testing your platform thoroughly on a demo account before relying on it for live trading identifies any usability issues before they cost real money.
6. Maintaining objectivity toward your own trading creations
For strategy-level attachment specifically, periodically and honestly evaluating your strategy's performance through the same rigorous, evidence-based lens, as if it were someone else's strategy you were evaluating objectively, rather than your own personal creation, helps counter the natural tendency to extend undue loyalty to something simply because you developed it yourself.
Platform reliability during high-volatility events is a more important consideration than the breadth of analytical features for most retail traders. South African traders have an additional reliability concern that traders in stable electricity markets do not face: load shedding requires a tested mobile platform backup for managing open positions during power outages. Testing the mobile backup specifically, the ability to view positions, modify stops, and close trades, before going live with real capital is a practical step that traders outside South Africa simply do not need to consider. The best platform is ultimately the one you can use confidently under adverse conditions, not the one with the most features under ideal conditions. Confirming that your broker's mobile app functions correctly on your specific mobile device and 4G connection takes five minutes and could prevent a significant connectivity-related loss.
Platform reliability during high-volatility events is a more important consideration than the breadth of analytical features for most retail traders. South African traders have an additional reliability concern that traders in stable electricity markets do not face: load shedding requires a tested mobile platform backup for managing open positions during power outages. Testing the mobile backup specifically, the ability to view positions, modify stops, and close trades, before going live with real capital is a practical step that traders outside South Africa simply do not need to consider. The best platform is ultimately the one you can use confidently under adverse conditions, not the one with the most features under ideal conditions. Confirming that your broker's mobile app functions correctly on your specific mobile device and 4G connection takes five minutes and could prevent a significant connectivity-related loss.
★ Why It Matters
Worth testing on yourself directly: imagine you didn't currently hold your open position and ask whether you'd open it fresh today at the current price, if the honest answer is no, the endowment effect may be keeping you in a trade your own current analysis wouldn't actually recommend.
Open position
Feels more valuable
Than equivalent closed position
Rational view
Market's view
Price doesn't care where you are
How it manifests
Moving stop-losses
giving more room
Not closing losers
they might come back
Exit bias
hold longer than planned
Counter
focus on market structure not your entry
The endowment effect makes open positions feel more valuable simply because they're yours, leading traders to hold longer than planned, move stop-losses, and resist closing positions even when analysis would suggest otherwise.
✕ Common mistakes
Holding a position longer simply because you already own it. Ask whether you'd open it fresh today at the current price, a useful, honest test.
Treating a strategy you personally developed as superior without separate validation. Personal attachment to your own work can distort objective assessment.
Not noticing irrational attachment to an open position despite changing analysis. This bias often operates quietly without being consciously recognised.
Assuming the endowment effect only applies to physical possessions, not trading positions. It applies just as readily to financial positions and personally developed approaches.
Can I use MetaTrader 4 or 5 with any FSCA-regulated broker?
Most FSCA-regulated brokers support MT4 and/or MT5. Some offer proprietary platforms as well. Confirm platform availability with your specific broker before opening an account if MetaTrader compatibility is essential to your setup.
What is the difference between MT4 and MT5?
MT5 is newer with more timeframes, additional order types, and support for a wider range of asset classes. MT4 remains more widely used for forex CFD trading and has a larger library of third-party indicators and automated trading tools.
Key Takeaways
The endowment effect describes overvaluing what you already own, which can manifest in trading as irrational attachment to a specific open position or strategy.
The endowment effect describes the tendency to overvalue things simply because you already own them, beyond their objective worth.
In trading, this can mean irrational attachment to an open position or a strategy you've personally developed.
The basic endowment effect concept explained.
How this manifests specifically with open positions.
Frequently asked follow-up questions
Is the endowment effect the same as confirmation bias?
They're related but distinct, confirmation bias, concerns how you process information, while the endowment effect specifically concerns overvaluing things due to ownership itself.
Can this bias affect demo trading too?
Potentially to a lesser degree, since demo positions don't carry the same genuine financial stakes, though some psychological attachment can still develop even in lower-stakes contexts.
Does this bias only affect trading decisions?
No, it's a broadly documented general human psychological tendency; trading is simply one specific context where its effects can have genuine, measurable financial consequences.
📚 Sources & further reading
This article draws on general information published by the South African regulators and established financial education resources listed below. Always check each source directly for the most current detail.
Trading Industry Analyst | Specializing in Forex & CFDs
Last reviewed: 11 June 2026
Giancarlo writes on forex and CFD markets, with a background in business development and partnerships across the online trading industry. He focuses on making market mechanics and trader protections easier to understand for a South African audience.
