玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q4 (20)0.74-8.64-7.50.97-5.83-6.73122.599.187.4393.446.246.5197.866.4710.84118.179.094.06
24Q3 (19)0.813.85-4.711.03-1.9-1.9112.28-3.324.5687.951.421.391.91-0.089.73108.32-2.3-1.93
24Q2 (18)0.78-3.7-2.51.05-6.257.14116.132.791.986.726.67-6.6391.988.289.4110.871.41-9.69
24Q1 (17)0.811.2522.731.127.6924.44112.98-0.99-18.5781.30-7.33-19.5184.95-3.78-11.47109.33-3.72-23.97
23Q4 (16)0.80-5.886.671.04-0.95-2.8114.116.27-5.7587.731.053.1388.295.41-1.43113.562.82-2.58
23Q3 (15)0.856.2513.331.057.142.94107.38-5.77-10.9586.82-6.52-2.7483.76-0.38-15.4110.45-10.03-0.34
23Q2 (14)0.8021.21-1.230.988.89-6.67113.96-17.871.6892.88-8.056.9784.08-12.38-16.22122.76-14.6324.57
23Q1 (13)0.66-12.0-13.160.90-15.89-18.18138.7514.616.36101.0118.7422.4295.967.13-0.43143.8023.3636.47
22Q4 (12)0.750.0-10.711.074.9-9.32121.070.4111.2685.07-4.710.3989.57-9.53-1.94116.575.1823.3
22Q3 (11)0.75-7.41-12.791.02-2.86-14.29120.587.5813.5289.272.8117.0199.01-1.355.33110.8312.4625.23
22Q2 (10)0.816.58-4.711.05-4.55-11.02112.08-6.04.4586.835.2412.2100.364.145.0798.55-6.4710.51
22Q1 (9)0.76-9.52-8.431.10-6.78-15.38119.249.589.2482.517.0718.3196.375.5111.36105.3711.4614.09
21Q4 (8)0.84-2.339.091.18-0.84-15.11108.822.45-8.0277.061.0117.6891.34-2.834.9394.546.82-2.26
21Q3 (7)0.861.183.611.190.85-19.59106.22-1.02-3.1276.29-1.4223.8194.00-1.599.4288.50-0.763.68
21Q2 (6)0.852.41-1.161.18-9.23-17.48107.31-1.691.377.3910.9721.2895.5210.386.6989.18-3.4411.17
21Q1 (5)0.837.7913.71.30-6.47-4.41109.15-7.74-12.6469.746.514.0486.54-0.59-14.2692.36-4.521.45
20Q4 (4)0.77-7.230.01.39-6.080.0118.317.910.065.486.260.087.051.330.096.7313.320.0
20Q3 (3)0.83-3.490.01.483.50.0109.643.50.061.62-3.430.085.91-4.040.085.366.410.0
20Q2 (2)0.8617.810.01.435.150.0105.93-15.220.063.81-4.80.089.53-11.290.080.22-11.880.0
20Q1 (1)0.730.00.01.360.00.0124.940.00.067.030.00.0100.930.00.091.040.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)3.2315.363.973.12113.08-13.391.86-3.0494.64-0.92110.30-14.92
2023 (9)2.80-15.153.85-16.49130.4217.9794.7419.6595.5212.8129.6423.41
2022 (8)3.30-1.494.61-9.96110.551.3979.1811.1384.680.5105.059.4
2021 (7)3.35-2.625.12-17.68109.032.6771.2521.484.261.6496.0217.14
2020 (6)3.4417.816.2215.83106.19-15.0358.69-13.7382.90-10.6681.97-18.21
2019 (5)2.92-14.125.37-1.65124.9716.3868.031.7392.798.96100.2212.49
2018 (4)3.4010.755.46-11.65107.38-9.5966.8713.2885.160.2989.09-4.1
2017 (3)3.070.06.18-7.9118.77-0.1559.038.4584.915.4792.900.04
2016 (2)3.075.56.713.55118.95-5.2654.43-3.3980.51-7.492.86-2.2
2015 (1)2.91-7.326.48-1.97125.558.0256.342.0586.94-2.7794.9515.76

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