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
24Q3 (20)7.6421.66-18.381.6330.413.9911.91-17.8622.5355.82-23.59-12.47448.057.216.69-380.32-15.12-9.77
24Q2 (19)6.289.03-48.571.2510.62-10.0714.50-8.1794.6373.05-9.0311.24417.91-13.745.68-330.3614.94-2.5
24Q1 (18)5.76-5.88-24.91.13-16.91-16.315.796.2633.0280.3019.6219.35484.4810.69-1.81-388.38-9.196.25
23Q4 (17)6.12-34.6247.471.36-4.9-30.6114.8652.88-32.367.135.2744.61437.684.2210.45-355.68-2.66-8.48
23Q3 (16)9.36-23.34184.51.432.88-17.829.7230.47-64.8863.77-2.8921.98419.956.22.63-346.46-7.5-5.24
23Q2 (15)12.2159.19135.711.392.96-27.67.45-37.24-57.6265.67-2.3938.75395.43-19.86-3.75-322.3022.26.84
23Q1 (14)7.6784.8212.791.35-31.12-28.9511.87-45.92-11.2967.2844.9440.72493.4224.523.19-414.28-26.350.65
22Q4 (13)4.1526.14-42.761.9612.64-12.1121.95-20.774.946.42-11.2113.94396.26-3.162.77-327.890.41.33
22Q3 (12)3.29-36.49-53.41.74-9.372.3527.6857.45114.9152.2810.46-2.21409.17-0.4144.48-329.204.84-51.8
22Q2 (11)5.18-23.82-47.141.921.05-1.0317.5831.3989.4447.33-1.01.13410.85-14.0868.05-345.9517.03-83.63
22Q1 (10)6.80-6.21-49.931.90-14.82.713.386.6199.747.8117.35-2.63478.1724.01-6.39-416.98-25.488.36
21Q4 (9)7.252.69-26.12.2331.189.3112.55-2.5635.2440.74-23.79-8.45385.5936.15-9.89-332.30-53.2311.18
21Q3 (8)7.06-27.9698.871.70-12.375.5912.8838.79-49.7153.4614.23-5.5283.2115.84-24.13-216.86-15.1125.51
21Q2 (7)9.80-27.84292.01.944.864.869.2838.51-74.5546.80-4.68-5.09244.48-52.14-9.34-188.4058.59-2.45
21Q1 (6)13.5838.43280.391.85-9.3144.536.70-27.8-73.6849.1010.34-30.82510.8119.3711.4-455.01-21.61-25.65
20Q4 (5)9.81176.3428.42.0426.7125.939.28-63.76-22.0844.50-21.34-20.92427.9214.63-0.8-374.14-28.52-3.01
20Q3 (4)3.5542.00.01.61-12.970.025.61-29.780.056.5714.720.0373.2938.420.0-291.11-58.30.0
20Q2 (3)2.50-29.970.01.8544.530.036.4743.240.049.31-30.520.0269.68-41.190.0-183.9049.220.0
20Q1 (2)3.57-53.270.01.28-20.990.025.46113.770.070.9726.120.0458.556.30.0-362.120.30.0
19Q4 (1)7.640.00.01.620.00.011.910.00.056.270.00.0431.370.00.0-363.200.00.0
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
2023 (10)20.560.245.47-27.1617.75-0.2866.6837.23563.052.86-478.620
2022 (9)20.51-16.467.51-10.8117.8019.748.5912.14547.38-4.23-480.990
2021 (8)24.5512.258.427.5414.87-10.943.33-7.08571.538.64-513.330
2020 (7)21.8770.997.837.8516.69-41.546.63-7.3526.10-2.75-462.770
2019 (6)12.7916.87.261.5428.53-14.4350.30-1.51540.95-4.62-462.120
2018 (5)10.95-44.397.1522.2233.3479.8351.07-18.1567.1619.88-482.750
2017 (4)19.69-68.885.85-1.0218.54221.3262.361.0473.1137.79-392.210
2016 (3)63.27-31.645.91-9.085.7746.4561.749.98343.3616.56-275.850
2015 (2)92.5548.016.50-5.83.94-32.5356.146.1294.57-10.54-234.490
2014 (1)62.5336.116.90-13.435.84-26.5452.9115.47329.26-5.09-270.520

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