Portfolio Rebalancing via Single-Response Alert Execution

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Solution Overview

Problem

Conventional financial systems fail to provide an effective means for customers to timely implement recommended portfolio rebalancing transactions, leading to missed opportunities and potential financial losses due to market volatility.

Innovation Solution

A system and method that automatically rebalances financial portfolios upon a customer's single response to an alert message, using pre-stored optimization data and customer-defined communication methods to transmit and execute rebalancing transactions through an electronic trading system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional financial systems provide portfolio analysis and rebalancing recommendations, then customers can identify optimal trading opportunities, but customers cannot implement transactions timely due to lack of automated execution capability

Engineering Contradiction:

Improveportfolio optimization accuracyVSAvoidtransaction implementation delay

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system enables self-service by automatically executing rebalancing transactions based on portfolio analysis results. Once the system identifies that a portfolio deviates from its target allocation, it automatically generates and executes the necessary buy/sell orders without requiring manual customer intervention, thus resolving the contradiction between accurate portfolio optimization and timely transaction implementation.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system acts as an intermediary between portfolio analysis and transaction execution. It receives portfolio data, analyzes rebalancing needs, and automatically transmits execution instructions to brokers or trading systems, bridging the gap between identifying optimal trades and actually executing them in a timely manner.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If customers manually monitor and implement each rebalancing transaction, then they maintain control over their investments, but they must constantly monitor market changes and place individual orders which is time-consuming and complex

Engineering Contradiction:

Improveportfolio management convenienceVSAvoidtime for monitoring and placing orders

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The system performs self-service by automatically monitoring portfolio allocations against target benchmarks and executing rebalancing transactions without customer intervention. This eliminates the time-consuming manual monitoring and order placement while maintaining full control over investment strategy through pre-defined target allocations and risk parameters.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements continuous monitoring of portfolio allocations and automatically executes rebalancing transactions as needed, eliminating gaps in monitoring and ensuring timely adjustments. This continuous operation maintains optimal portfolio allocation without requiring periodic manual intervention from the customer.

Inventive Principle:

Principle #20Continuity of useful action

3Loss of information

If the system provides detailed analysis and multiple transaction options, then customers can make informed decisions, but the complexity of processing and implementing multiple individual orders increases

Engineering Contradiction:

Improveinvestment decision informationVSAvoidtransaction processing complexity

Core Design Contradiction:

Loss of informationVSDevice complexity

Solution Approach 1:

The system merges multiple individual rebalancing transactions into a single automated execution process. Instead of requiring separate manual placement of each buy/sell order, the system consolidates all necessary transactions and executes them systematically through automated trading interfaces, reducing processing complexity while preserving all investment decision information.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The system acts as an intermediary that processes the complexity of multiple transaction decisions. It receives comprehensive portfolio data, analyzes rebalancing needs across multiple assets, determines optimal transaction strategies, and executes all necessary orders through automated interfaces with brokers, shielding customers from the complexity of individual order processing.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS7873555B1System and method for automatically rebalancing portfolios by single response

Publication Date: 2011.01.18 THE TORONTO DOMINION BANK

AI summary

A system and method capable of automatically rebalancing financial portfolios to optimality, are disclosed. Using stored customer-defined optimization data, the system determines if the current portfolio is imbalanced beyond a customer-defined tolerance level and if so, it transmits a “rebalancing-needed” alert message and a list of recommended rebalancing transactions via customer-defined communications methods. The customer reads the message and decides if he wishes to authorize portfolio rebalancing. To authorize portfolio rebalancing, the customer merely responds to the alert message. In a preferred embodiment, the customer's response may constitute performing a single action, such as pressing a button or speaking a sound. After the authenticity of the received customer response is verified, the system implements the customer's single response by transmitting execution instructions to an electronic trading system, which in turn executes the rebalancing transactions to optimize the portfolio.